Smoke sensor alarm by monitoring the concentration of smoke to achieve fire prevention, when the smoke concentration exceeds the limit, smoke alarm sound and sound alarm, and the output alarm signal.

Smoke is widely used in urban security, community, factories, companies, schools, families, villas, warehouses, resources, oil, chemicals, gas transmission and distribution and other fields. Sensitive to smoke, so to prevent the occurrence of many fires!
 

Working voltage:9V carbon-zinc/alkaline battery

>Standby current:≤10uA  

>Alarm current:≤35mA

>Sensitivity:II Grade

>Alarm sound:>80dB

>Emission frequency:315MHz/433MHz(Optional)

>Emission distance:≥100m(Open space)

>Working temperature:-10ºC~50ºC

>Working humidity:10%-90%RH

>Life of battery:>1year