Wireless smoke detector

>Working voltage: 9V carbon battery or alkaline battery (battery not included)

>Quiet current: ≤10uA

>Alarm current: ≤35mA

>Smoke sensitivity: Level 2

>Alarm sound: >80dB

>Transmission frequency: 433MHz (optional 315MHZ, please contact for confirmation)

>Transmitting distance: ≥100m (open distance)

>Working temperature: -10℃~50℃

>Working humidity: 10%-90%RH