wireless Smoke Detector 433MHz for ip camera

wireless Smoke Detector 433MHz for ip camera Item No.: KM-SD1000, this smoke sensor detector could be supported to work with IP camera, KM-IP2000 and KM-IP5000. This small gadgets will alert and warn people stay far away from danger field when it detected smoke. This product named Photoelectric detector (hereinafter called detector) detects the smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can reflect infrared light. Infrared diodes