Purchase Qty. Reference FOB Price
500-3,999 Pieces US$4.80
4,000+ Pieces US$4.36
Product Description
Smoke Detector 2 Wire Smoke Detector Product Description Power supply: DC12V-DC24V Working current: 16mA-17mA Detecting time: Detect once every about 5s Detecting smoke method: It works only when it detects smoke twice. Working current 16mA-17mA Detecting time detect once every about 5s ...