{"product_id":"gs509a-2ncdr-photoelectric-smoke-detector","title":"GS509A-2NCDR Photoelectric Smoke Detector with 9V Battery","description":"\u003ch2\u003eGS509A-2NCDR: Smoke detection with simple screw mounting\u003c\/h2\u003e\n\u003cp\u003eThe SITERWELL GS509A-2NCDR is a standalone photoelectric smoke alarm that mounts with the supplied mounting plate, screws and wall plugs, making it a practical choice for straightforward home installation. Its replaceable-battery design keeps routine maintenance accessible, with single and multipack options for planning your alarm locations.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotoelectric smoke sensing:\u003c\/strong\u003e Detects smoke using an optical sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew mounting:\u003c\/strong\u003e Fixes to a ceiling or wall with the supplied mounting plate, screws and wall plugs, following the supplied instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable battery:\u003c\/strong\u003e Maintain power with the battery type specified for your unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-year product life:\u003c\/strong\u003e Product service life is separate from battery life; batteries need replacement during use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest button:\u003c\/strong\u003e Check operation as part of your regular alarm maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudible alarm:\u003c\/strong\u003e Rated at ≥85 dB(A) at 10 feet (3.05 m), as stated in the product manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-battery warning:\u003c\/strong\u003e A signal reminds you when the battery needs attention.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eChoose your home safety setup\u003c\/h3\u003e\n\u003cp\u003eFor separate carbon monoxide detection, add the \u003ca href=\"\/products\/gs846a-plug-in-carbon-monoxide-detector\"\u003ePlug-in CO alarm\u003c\/a\u003e; each device operates independently. Prefer a smoke alarm with a built-in battery designed for 10 years? Compare the \u003ca href=\"\/products\/gs525a-10-year-battery-smoke-detector\"\u003eGS525A 10-year battery smoke alarm\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eFor setup, placement and routine testing, follow the instructions supplied with your alarm. Browse our \u003ca href=\"\/pages\/user-manuals\"\u003eproduct user manuals\u003c\/a\u003e for model-specific guidance. For \u003ca href=\"https:\/\/store.siterwellhome.com\/blogs\/all-blogs\/photoelectric-vs-ionization-smoke-detector\"\u003ethe difference between photoelectric and ionization sensing\u003c\/a\u003e, see our guide.\u003c\/p\u003e\n\u003ch3\u003eProtect Your Delivery\u003c\/h3\u003e\n\u003cp\u003eFor extra protection against eligible physical loss, external damage or shortage while your order is in transit—and eligible theft after delivery within the coverage term—consider adding optional \u003ca href=\"\/pages\/shipsurance\"\u003e\u003cstrong\u003eShipsurance shipping insurance\u003c\/strong\u003e\u003c\/a\u003e when it is offered at checkout. If you purchased this coverage and a shipping-related issue occurs, review the coverage rules and contact \u003cstrong\u003eSureCircle\u003c\/strong\u003e first to file a claim or check claim status. Product setup, technical support, product defects and manufacturer-warranty questions remain with SITERWELL.\u003c\/p\u003e\n\u003cdiv class=\"siterwell-customer-service\"\u003e\n\u003ch3\u003eCustomer Service\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eU.S. Customer Service Hotline:\u003c\/strong\u003e \u003ca href=\"tel:+18007107321\"\u003e+1 800-710-7321\u003c\/a\u003e\u003cbr\u003eMonday–Friday, 9:00 AM–6:00 PM (EST)\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siterwell","offers":[{"title":"2 Pack","offer_id":53924130095397,"sku":"STORE-GS509A-2NCDR-2","price":31.98,"currency_code":"USD","in_stock":true},{"title":"4 Pack","offer_id":53924130128165,"sku":"STORE-GS509A-2NCDR-4","price":63.96,"currency_code":"USD","in_stock":true},{"title":"6 Pack","offer_id":53924130160933,"sku":"STORE-GS509A-2NCDR-6","price":95.54,"currency_code":"USD","in_stock":true},{"title":"1 Pack","offer_id":53924130062629,"sku":"STORE-GS509A-2NCDR-1","price":15.99,"currency_code":"USD","in_stock":true},{"title":"8 Pack","offer_id":53924130193701,"sku":"STORE-GS509A-2NCDR-8","price":125.99,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":53924130226469,"sku":"STORE-GS509A-2NCDR-10","price":147.99,"currency_code":"USD","in_stock":true},{"title":"12 Pack","offer_id":53924130259237,"sku":"STORE-GS509A-2NCDR-12","price":166.99,"currency_code":"USD","in_stock":true},{"title":"24 Pack","offer_id":53924130292005,"sku":"STORE-GS509A-2NCDR-24","price":326.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/5501\/2901\/files\/5_63620491-c3a1-424f-a771-11f0b1bea161.jpg?v=1789538886","url":"https:\/\/store.siterwellhome.com\/products\/gs509a-2ncdr-photoelectric-smoke-detector","provider":"siterwell.us","version":"1.0","type":"link"}