Communication method:Bluetooth-compatible,Zigbee Origin:Mainland China Certification:CE Product Name:Smart Brightness Thermometer(Bluetooth or Zigbee Version) Battery Model:CR2032 button battery Wireless Protocol:Bluetooth or Zigbee Temperature Measurement Range:0-50Celsius Humidity Measurement Range:0%-99RH% Temperature Accuracy:Positive and negative0.3Celsius Humidity Accuracy:Positive and negative3RH% Light Detection Range:0-999lux Light Perception Range:0.01lux Product Size:66*66*11mm Screen Size:45*45mm Product Weight:45.0g Smart Zigbee Bluetooth Brightness Thermometer Real-time Light Sensitive Temperature and Humidity Detector Lighting Smart Home Application Scenarios Meter Remotely monitoring with Tuya Smart/Smart Life App By Moes Main Features: 1.The smart brightness thermometer senses the changes in the ambient light,temperature and humidity in real time;Actively report to the user end by Smart Life App as the built-in Bluetooth protocol.A really good complement for body health with the real-time detector of house luminance,temperature and humidity with high precision. 2.Clear data change curve display as day,month and year of luminance,temperature and humidity in App helps monitor the house condition for multiple purposes,as heating control,humidifier and lighting on/off in a preset time for whole house intelligence with infinite sense of wisdom. 3.Remote supervisionof room luminance in App with Bluetooth hub required for high learning efficiency of kids while doing homework with smart scene linkage to house smart switch to turn on the light automatically when the sun goes down or back from whole-day work without manually turning on the light or trigger the switch in app every day for added convenience. 4.An extremely powerful device with mini design for three features all in one,saving money and energy with no need to purchase three different devices for independent use,fits well with smart modern lifestyle with simple operations. 5.A Bluetooth gateway hub is a must for this Bluetooth brightness temperature and humidity sensor when wireless remote control needed,and no hub required when for pairing into App only,featured as the control center for smart homes. Specifications: Product Name:Smart Brightness Thermometer(Bluetooth Or Zigbee Version) Battery Model:CR2032 button battery Wireless Protocol:Bluetooth Or Zigbee Temperature Measurement Range:0-50℃ Humidity Measurement Range:0%-99RH% Temperature Accuracy:±0.3℃ Humidity Accuracy:±3RH% Light Detection Range:0-999lux Light Perception Range:0.01lux Product Size:66*66*11mm Screen Size:45*45mm Product Weight:45.0g Packing List: Thermo-hygrometer*1 User manual*1 Wall sticker*1 Soft magnetic sticker*1 Note:Bluetooth hub is not included in the package.