Optical smoke detector via radio

specs

Detection method: Optical sensor
Sensitivity range: 0.105 ~ 0.165dB / m (EN 14604)
RF frequency: 868MHz
Transmission method: Fully encrypted rolling code
Transmission of up to 300 meters in open field
Alarm sound level: 85db / 3m
LED indicators: Power, fault and alarm
Sensor power: 2 x 1.5V, AA batteries (not replaceable), with a lifespan of up to 10 years
RF transmitter power supply: 1 x 3V battery, CR123A (replaceable), with a lifespan of up to 2 years
Consumption: 25 μA in standby, 120 mA in alarm
-10 ° C ~ 50 ° C operating temperature
Relative humidity 5% ~ 90%
Dimensions: Ø120 x 52.45 mm
Weight: 183g
Regulations: EN 14604
Certifications: CE, environmental class II