There are two version.
Feature& Specifications:
Power: 5V/1A Type-C USB Powered;
Battery type:18650 rechargeable batter
Wireless protocol:Zigbee 3.0/WIFI
Wireless standard:Zigbee IEEE 802.15.4
Wireless range: 45m
Standby current: 2.5mA
Alarm ringtone: 3
Maximum alarm sound:1m-100dB
Waterproof rate: IPX5
Working temperature: -10℃~60℃(14°F~140°F)
Working humidity: 1% ~ 95%RH
Main body size: 200x150x66mm
Solar panel size: 132x62mm
