{"product_id":"smoke-detector-10-year-battery-photoelectric-alarm-4-pack","title":"Smoke Detector 10 Year Battery Photoelectric Alarm - 4 Pack","description":"\u003cp\u003eOur review of the SITERWELL GS525A smoke detector finds it best suited for renters, small households, and anyone who wants a low-maintenance, code-compliant smoke alarm. The single biggest reason to buy is its sealed 10 year battery and \u003cstrong\u003ephotoelectric sensor\u003c\/strong\u003e, which eliminate annual battery changes while improving detection of slow smoldering fires. Setup is straightforward and the alarm's compact size and magnetic mounting make it easy to place above doors or on ceilings without lengthy installs. It balances practical safety features with simple operation.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 Year Battery:\u003c\/strong\u003e A built-in 3V lithium battery is sealed to provide up to 10 years of power and reduces routine maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotoelectric Sensor:\u003c\/strong\u003e Designed to detect slow, smoldering fires more reliably than ionization sensors, making it useful near bedrooms and living areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL217-9th Listed:\u003c\/strong\u003e Meets UL217-9th edition testing requirements, aligning with new regulations that require sealed 10-year alarms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Activation:\u003c\/strong\u003e Pull-out battery tab activates the alarm prior to installation, ensuring the unit is ready to operate once mounted.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Options:\u003c\/strong\u003e Includes magnets and screws for quick ceiling or wall mounting to suit different room layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest and Mute Button:\u003c\/strong\u003e Weekly testing is supported by a test\/mute button that checks normal operation and silences nuisance alarms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis smoke alarm is ideal for people who want a low-maintenance, long-life detector that complies with modern safety codes, including new state rules requiring sealed 10-year batteries. Renters, studio apartment occupants and homeowners who prefer a discreet, compact alarm will appreciate the small footprint and magnetic mounting system.\u003c\/p\u003e\n\u003cp\u003eThose needing interconnected smart alarms, loud multi-frequency signals for impaired hearing, or separate CO detection should look at other models. This unit is focused on simple, reliable smoke detection with a long-life battery rather than smart home integration.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSealed \u003cstrong\u003e10 year battery\u003c\/strong\u003e reduces the need for replacements and meets new regulatory requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotoelectric detection\u003c\/strong\u003e improves response to slow smoldering fires common in bedrooms and living spaces.\u003c\/li\u003e\n\u003cli\u003eIncluded magnets and screws make installation flexible and fast without complex wiring.\u003c\/li\u003e\n\u003cli\u003eCompact size and quiet design are good for small spaces and bedrooms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers report mixed experiences with battery life and long-term functionality, so the product should be replaced when it signals a fault.\u003c\/li\u003e\n\u003cli\u003eNo wireless interconnect or smart features for multi-room alerts if that functionality is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eGS525A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003eBuilt-in 3V lithium, sealed 10 year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensing Technology\u003c\/td\u003e\n\u003ctd\u003ePhotoelectric sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eUL217-9th listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eMagnets and screws included, ceiling or wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eButtons\u003c\/td\u003e\n\u003ctd\u003eTest\/Mute button for weekly testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack\u003c\/td\u003e\n\u003ctd\u003e4 pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe GS525A 4-pack is a practical choice for those who need reliable, low-maintenance smoke protection without smart features. With a sealed \u003cstrong\u003e10 year battery\u003c\/strong\u003e, \u003cstrong\u003ephotoelectric sensor\u003c\/strong\u003e, and simple magnetic mounting, it offers good value and compliance with updated safety rules, making it a sensible pick for apartments, bedrooms and basic household coverage.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does the battery last?\u003c\/strong\u003e\u003cbr\u003eThe alarm uses a built-in 3V lithium battery designed to last up to 10 years under normal operation and will signal when the unit requires replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mount it on a wall above a door?\u003c\/strong\u003e\u003cbr\u003eYes, the unit includes magnets and screws so you can mount it on a ceiling or wall, including above doors where it fits discreetly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this alarm detect fast flaming fires?\u003c\/strong\u003e\u003cbr\u003eThe GS525A uses a photoelectric sensor that is more sensitive to slow smoldering fires; it will detect flaming fires but is optimized for light smoke and smoldering conditions.\u003c\/p\u003e","brand":"SITERWELL","offers":[{"title":"Default Title","offer_id":48194419425499,"sku":"B0CQQG7SK7","price":67.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61sP55B7idL._AC_SL1500.jpg?v=1770221531","url":"https:\/\/gearmusthave.com\/products\/smoke-detector-10-year-battery-photoelectric-alarm-4-pack","provider":"GearMustHave","version":"1.0","type":"link"}