{"product_id":"wisualarm-standalone-smoke-alarm-dhi-hy-sa13a-5-yr-battery","title":"Wisualarm Standalone Smoke Alarm | DHI-HY-SA13A | 5-Yr Battery","description":"\u003c!-- SEO Product Name: Wisualarm Standalone Smoke Alarm | DHI-HY-SA13A | 5-Yr Battery --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#2B2B2B; line-height:1.6; font-family:Arial, Helvetica, sans-serif;\"\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003eThe \u003cstrong\u003eWisualarm DHI-HY-SA13A\u003c\/strong\u003e is a standalone battery-powered smoke alarm designed for residential and office protection. It uses an advanced \u003cstrong\u003ephotoelectric sensing chamber\u003c\/strong\u003e to detect smoke efficiently while reducing the false alarms that can plague cheaper detectors, backed by a high-power buzzer and clear visual and audible alerts.\u003c\/p\u003e\n\u003cp style=\"font-size:16px; line-height:1.7; color:#2B2B2B; margin:0 0 16px 0;\"\u003ePower comes from a \u003cstrong\u003elong-life battery rated for up to 5 years\u003c\/strong\u003e of standby operation, so the unit can be fitted and largely forgotten between routine tests. As a standalone device it works independently of any mains supply or interconnect network, making it a straightforward option for individual rooms, rental properties and retrofit projects where wiring in a mains alarm isn't practical.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:20px 0 24px 0;\"\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003ePhotoelectric\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; letter-spacing:.02em;\"\u003eSensor Type\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e85dB\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; letter-spacing:.02em;\"\u003eAlarm Volume @ 3m\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e5-Yr\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; letter-spacing:.02em;\"\u003eBattery Life\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eStandalone\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; letter-spacing:.02em;\"\u003eOperation\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eTÜV \/ CE\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; letter-spacing:.02em;\"\u003eCertifications\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1; min-width:130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eLED\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; font-weight:400; margin-top:4px; letter-spacing:.02em;\"\u003eStatus Indicator\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFF6E5; border-left:4px solid #E0942A; border-radius:6px; padding:14px 18px; margin:0 0 20px 0;\"\u003e\n\u003cdiv style=\"font-size:14px; font-weight:700; color:#E0942A; text-transform:uppercase; letter-spacing:.04em; margin-bottom:6px;\"\u003eStandalone Unit — No Interconnect\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#2B2B2B; line-height:1.6;\"\u003eThe SA13A operates as an \u003cstrong\u003eindependent, standalone alarm\u003c\/strong\u003e and does not interconnect with other Wisualarm devices, wired or wireless. Where a property needs multiple alarms to sound together, look to the interconnected Wisualarm smoke alarm range instead.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E6F4F3; border-left:4px solid #008377CF; border-radius:6px; padding:14px 18px; margin:0 0 20px 0;\"\u003e\n\u003cdiv style=\"font-size:14px; font-weight:700; color:#008377CF; text-transform:uppercase; letter-spacing:.04em; margin-bottom:6px;\"\u003eWhy Photoelectric Detection\u003c\/div\u003e\n\u003cdiv style=\"font-size:15px; color:#2B2B2B; line-height:1.6;\"\u003ePhotoelectric smoke sensing responds quickly to the visible, slow-burning smoke typical of smouldering fires — such as those starting in furniture or bedding — while remaining \u003cstrong\u003eless prone to false alarms from cooking steam\u003c\/strong\u003e than ionisation-type detectors, making it a well-suited general-purpose choice for living areas, bedrooms and hallways.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; margin:0 0 24px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#00625D; margin-bottom:6px;\"\u003ePhotoelectric Smoke Chamber\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444444; line-height:1.6;\"\u003eAdvanced \u003cstrong\u003ephotoelectric sensing technology\u003c\/strong\u003e detects visible smoke particles quickly and accurately, cutting down on nuisance false alarms.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#00625D; margin-bottom:6px;\"\u003eHigh-Power 85dB Buzzer\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444444; line-height:1.6;\"\u003eA built-in \u003cstrong\u003ehigh-power buzzer sounds at 85dB(A) from 3 metres\u003c\/strong\u003e, loud enough to wake occupants and alert anyone nearby.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#00625D; margin-bottom:6px;\"\u003e5-Year Battery Life\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444444; line-height:1.6;\"\u003eA \u003cstrong\u003elong-duration battery rated up to 5 years\u003c\/strong\u003e keeps the alarm running through years of standby operation without a battery swap.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#00625D; margin-bottom:6px;\"\u003eVisual \u0026amp; Audible Alerting\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444444; line-height:1.6;\"\u003eCombines \u003cstrong\u003eLED indicators with the audible alarm\u003c\/strong\u003e so status and warnings are clear even in a noisy or brightly lit environment.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#00625D; margin-bottom:6px;\"\u003eQuick, Simple Installation\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444444; line-height:1.6;\"\u003eFits as a straightforward \u003cstrong\u003estandalone ceiling-mounted unit\u003c\/strong\u003e with no wiring or network configuration required, ideal for retrofits and single-room coverage.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; background:#F7FAFA; border:1px solid #D9EDEA; border-radius:8px; padding:16px; margin:4px;\"\u003e\n\u003cdiv style=\"font-size:15px; font-weight:700; color:#00625D; margin-bottom:6px;\"\u003eTÜV \u0026amp; CE Certified\u003c\/div\u003e\n\u003cdiv style=\"font-size:14px; color:#444444; line-height:1.6;\"\u003eIndependently tested and certified to \u003cstrong\u003eTÜV and CE\u003c\/strong\u003e standards, giving confidence in the alarm's reliability and safety performance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; overflow:hidden; margin:0 0 24px 0;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; font-size:12px; letter-spacing:.06em; text-transform:uppercase; padding:9px 14px;\"\u003eProduct Identity\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 14px; font-size:14px; font-weight:600; color:#333333;\"\u003eModel number\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; font-size:14px; color:#222222;\"\u003eDHI-HY-SA13A\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 14px; font-size:14px; font-weight:600; color:#333333;\"\u003eBrand\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; font-size:14px; color:#222222;\"\u003eWisualarm (by Dahua)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 14px; font-size:14px; font-weight:600; color:#333333;\"\u003eOperation\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; font-size:14px; color:#222222;\"\u003eStandalone (no interconnect)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; font-size:12px; letter-spacing:.06em; text-transform:uppercase; padding:9px 14px;\"\u003eDetection\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 14px; font-size:14px; font-weight:600; color:#333333;\"\u003eSensor type\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; font-size:14px; color:#222222;\"\u003ePhotoelectric\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; font-size:12px; letter-spacing:.06em; text-transform:uppercase; padding:9px 14px;\"\u003ePower\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 14px; font-size:14px; font-weight:600; color:#333333;\"\u003ePower source\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; font-size:14px; color:#222222;\"\u003eBattery-powered\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 14px; font-size:14px; font-weight:600; color:#333333;\"\u003eBattery life\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; font-size:14px; color:#222222;\"\u003eUp to 5 years\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; font-size:12px; letter-spacing:.06em; text-transform:uppercase; padding:9px 14px;\"\u003eAlarm Output\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 14px; font-size:14px; font-weight:600; color:#333333;\"\u003eAlarm volume\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; font-size:14px; color:#222222;\"\u003e85dB(A) at 3 metres\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#FFFFFF; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 14px; font-size:14px; font-weight:600; color:#333333;\"\u003eAlarm mode\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; font-size:14px; color:#222222;\"\u003eVisual and audible alarm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; font-size:12px; letter-spacing:.06em; text-transform:uppercase; padding:9px 14px;\"\u003eInstallation\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 14px; font-size:14px; font-weight:600; color:#333333;\"\u003eInstallation\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; font-size:14px; color:#222222;\"\u003eCeiling mount\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; font-size:12px; letter-spacing:.06em; text-transform:uppercase; padding:9px 14px;\"\u003eCertification\u003c\/div\u003e\n\u003cdiv style=\"display:flex; background:#F0F9F8; border-bottom:1px solid #D9EDEA;\"\u003e\n\u003cdiv style=\"flex:0 0 44%; padding:10px 14px; font-size:14px; font-weight:600; color:#333333;\"\u003eCertifications\u003c\/div\u003e\n\u003cdiv style=\"flex:1; padding:10px 14px; font-size:14px; color:#222222;\"\u003eTÜV and CE listed\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003cdetails\u003e\u003csummary style=\"padding:14px 18px; font-size:15px; font-weight:700; color:#00625D; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#E6F4F3;\"\u003e\u003cspan\u003eDoes this alarm interconnect with other Wisualarm devices?\u003c\/span\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px 18px; font-size:14px; color:#444444; line-height:1.65; border-top:1px solid #D9EDEA; background:#ffffff;\"\u003eNo. The SA13A is a \u003cstrong\u003estandalone unit\u003c\/strong\u003e and does not link to other smoke or heat alarms, wired or wireless. For a linked multi-room system, choose from the interconnected Wisualarm range instead.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003cdetails\u003e\u003csummary style=\"padding:14px 18px; font-size:15px; font-weight:700; color:#00625D; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#E6F4F3;\"\u003e\u003cspan\u003eHow long does the battery last?\u003c\/span\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px 18px; font-size:14px; color:#444444; line-height:1.65; border-top:1px solid #D9EDEA; background:#ffffff;\"\u003eThe SA13A is rated for \u003cstrong\u003eup to 5 years\u003c\/strong\u003e of battery life under normal standby conditions, though the alarm should still be tested regularly using its built-in test function.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003cdetails\u003e\u003csummary style=\"padding:14px 18px; font-size:15px; font-weight:700; color:#00625D; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#E6F4F3;\"\u003e\u003cspan\u003eWhat type of smoke does this alarm detect best?\u003c\/span\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px 18px; font-size:14px; color:#444444; line-height:1.65; border-top:1px solid #D9EDEA; background:#ffffff;\"\u003eIts \u003cstrong\u003ephotoelectric sensor\u003c\/strong\u003e responds particularly well to the visible, slow-burning smoke typical of smouldering fires, and is generally less prone to false alarms from cooking steam than ionisation-based detectors.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #D9EDEA; border-radius:8px; margin-bottom:10px; overflow:hidden;\"\u003e\u003cdetails\u003e\u003csummary style=\"padding:14px 18px; font-size:15px; font-weight:700; color:#00625D; cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; background:#E6F4F3;\"\u003e\u003cspan\u003eWhere should this alarm be installed?\u003c\/span\u003e\u003csvg width=\"16\" height=\"16\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"#008377CF\" stroke-width=\"2.5\"\u003e\u003cpolyline points=\"6 9 12 15 18 9\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\u003c\/summary\u003e\u003cdiv style=\"padding:14px 18px 16px 18px; font-size:14px; color:#444444; line-height:1.65; border-top:1px solid #D9EDEA; background:#ffffff;\"\u003eAs a general-purpose standalone smoke alarm, it suits \u003cstrong\u003eliving rooms, bedrooms and hallways\u003c\/strong\u003e. For kitchens, garages and similarly fume- or steam-prone spaces, a heat alarm is the more appropriate choice.\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Wisualarm","offers":[{"title":"Default Title","offer_id":65884730720605,"sku":"DHI-HY-SA13A","price":7.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/WisualarmSmokeAlarmDHI-HY-SA13A.jpg?v=1789050979","url":"https:\/\/qualityheating.co.uk\/products\/wisualarm-standalone-smoke-alarm-dhi-hy-sa13a-5-yr-battery","provider":"AIZO Quality Heating","version":"1.0","type":"link"}