Technical Parameter:

Working voltage: 3V DC

Communication interface: Zigbee/Wi-fi

Battery Life : 10 year

Alarm mode: LED & Buzzer

Sound level:> 85db

Size: Φ110mm x H42mm

Number of interconnections: >22PCS

Connection distance: >200m outdoor  / 20-40m indoor

Execute criterion:   EN14604:2005 / AS3786:2014 ROHS