KERUI SD02 Wireless High Sensitivity Smoke Detector Smoke CO Sensor 433MHz for Home Security System
Description
Description : KERUI SD02 Wireless Photoelectric Smoke Fire Detector for Home GSM/PSTN Auto Dial Alarm System Smog Sensor Features: Smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a local audible and/or visual alarm from the detector itself. Specifications: Battery: DC9V ( included) Alarm sound:>80Db ( within 3m) Working temperature:-10°C~55°C Working humidity:
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