{"product_id":"system-sensor-d4s-4-wire-photoelectric-duct-smoke-sensor-module-for-d4120","title":"System Sensor D4S 4-Wire Photoelectric Duct Smoke Sensor Module for D4120","description":"Flexible 4-wire photoelectric duct smoke detector designed to fit square and rectangular duct configurations. Integrated low-flow technology supports air velocities from 100 to 4,000 ft\/min.\u003cbr\u003e\u003cbr\u003eThe plug-in sensor provides current sensor technology and resistance to false alarms. Features include rotary address switches, a front- or rear-installable sampling tube requiring no tools, a 3\/4-inch conduit knockout, and an easy-access Test\/Reset button with LED status indication. A patented interconnect feature supports multi-fan shutdown.\u003cbr\u003e\u003cbr\u003eRated for operating temperatures from –4°F to 158°F and humidity from 0% to 95% non-condensing.","brand":"System Sensor","offers":[{"title":"Default Title","offer_id":68542348001501,"sku":"Kaybee-D4S 4-Wire","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/9912\/2909\/files\/D4S-4-Wire-1.jpg?v=1794563723","url":"https:\/\/kaybeesecurity.com\/products\/system-sensor-d4s-4-wire-photoelectric-duct-smoke-sensor-module-for-d4120","provider":"Kaybee Security","version":"1.0","type":"link"}