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 Degrees
Quiescent 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 Degrees
Working humidity: <95%RH
Wireless frequency: 433MHz
Weight: about 135g
Package details:
1 x Smoke detector
1 x User manual