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