4-wire heat detector

{"cid":"115464","pid":"21902189","pimg_url":"\/\/img1.tradegrowthhub.com\/33\/b3\/6b9f08151d4f\/product\/73472024_s-w400xh400.jpg","name":"DC 9V-28V 4 Wired Heat Detector With Relay Output WT105","attrs":{"Price":"$8.00(>=1 Pieces)","MOQ":"1 Piece","Delivery Time":"Negotiable","Brand":"risol"}}