UbiBotWS1ProGreenhousebundle-WiFiandSIMversion_TechnicalSpecifications

Temperature -20℃ to 60℃( -4℉ to 140℉)
Humidity 10% to 90%, No condensation
Light 0-83k lux
Accuracy Temperature ±0.2 ℃, humidity ±2%, ambient light ±2%
Memory 300,000 sensor records
WiFi Specifications 2.4GHz, channels 1-13 (5GHz WiFi NOT supported)
Mobile Networks 

Supports GPRS/3G/4G (micro SIM). 
SIM card is not provided.