• Working Voltage: DC 3V
• Standby Current: ≤ 1uA
• Alarm Current: ≤30mA
• Emission Current: ≤20mA
• Transmitting Power: ≤13dBm
• Networking mode: ZigBee/NB-iot
• Wireless networking distance: ≤ 100m
• Working temperature: -10°C ~ 50°C
• Ambient Humidity: 95%RH max