Detached Photoelectric Smoke Fire Detector Home Security Auto Dial Alarm System 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.Product specifications:Alarm current: 10 (mA)Detection angle: 180 DegreesQuiescent current: 10 (uA)Working temperature: -10-50 (Celsius Degrees)Detection distance: 30 (m)Battery: DC9V ( included)Alarm sound:>80Db ( within 3m)Working temperature:-10~55 Celsius DegreesWorking humidity: