Purchase Qty. Reference FOB Price
10-999 Pieces US$8.00
1,000+ Pieces US$5.50
Product Description
4-Wire Optical Smoke Detector for Fire Alarm Specification: 4-wire optical smoke detector with relay output Advanced photoelectric smoke sensing technology Durable sensor head; excellent smoke access Ar (auto reset) function for security systems (optional for 4 wire models) N/C ...