Relay smoke 4-wire smoke detector

{"cid":"115464","pid":"21902036","pimg_url":"\/\/img1.tradegrowthhub.com\/33\/b3\/6b9f08151d4f\/product\/73471386_s-w400xh400.jpg","name":"Photoelectric Relay Smoke 110V-220V Cigarette Smoke Detector Wire With Relay Output","attrs":{"Price":"$10.00(>=1 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"risol"}}

{"cid":"115464","pid":"21902020","pimg_url":"\/\/img1.tradegrowthhub.com\/33\/b3\/6b9f08151d4f\/product\/73471287_s-w400xh400.jpg","name":"24V 4-Wire CigaretteSmoke Remote Control Photoelectric Detector With Relay Output","attrs":{"Price":"$7.60(>=1 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"risol"}}

{"cid":"115464","pid":"21901997","pimg_url":"\/\/img1.tradegrowthhub.com\/33\/b3\/6b9f08151d4f\/product\/73471213_s-w400xh400.jpg","name":"Relay Smoke DC12-36 Volt Security Smoke Detector With Relay Output","attrs":{"Price":"$10.00(>=1 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"risol"}}

{"cid":"115464","pid":"21901979","pimg_url":"\/\/img1.tradegrowthhub.com\/33\/b3\/6b9f08151d4f\/product\/73471146_s-w400xh400.jpg","name":"Hot Selling 9v-28vdc 4 Wire Relay Smoke Powered Conbined Smoke Detector And Heat Detector With Relay Output","attrs":{"Price":"$10.00(1 - 99 Pieces) $9.50(100 - 999 Pieces) $9.00(>=1000 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"risol"}}