Sonoff TH R3 WiFi humidity & temperature controller

Technical description:

Input: 100V-240V AC 
Output: 16A (THR316) / 20A (THR320)
Dry contact output: 5-30V 1A max
WiFi  IEEE 802.11 2.4GHz b/g/n
Security and encryption: WPA/WPA2  WEP/TKIP/AES
Working temperature: -10℃~40℃
Working humidity : 5%-95%
Connector type: RJ9 4P4C
Size : 98 x 54 x 31mm
Suitable sensors (accessories):THS01, Si7021, AM2301, DS18B20, MS01