1)Material : ABS
2)Size: 50x50x11mm
3)Unit weight: 19g
4)Micro Input : DC 5V/1A
5)Working Voltage: 3.0V-3.6V
6)Wi-Fi frequency: 2.4GHz IEEE 802.11 b/g/n
7)Zigbee Frequency: IEEE 802.15.4
8)Wireless Protocol: WiFi + Zigbee
9)Working Temperature: -20ºC~85ºC