USB input: DC5V/2A (USB power and dry

batteries can not be used in the same time)

Input voltage: DC3V LR03*2

Quiescent current: ≤75uA

Alarm current: ≤60mA

Low voltage and undervoltage: ≤2.2V

WiFi: 802.11b/g/n

Detection temperature: -10℃-55℃

Detection humidity: 0-99%RH

Alarm sound pressure: 55dB

Installation method: wall-mounted

Working temperature: -10℃-60℃

Working humidity: maximum 90%RH