Tuya Smart Home WiFi Temperature Humidity Sensor Smart Life Indoor Thermometer Sensors for Alexa Google Voice Feature: 1) Tuya wifi electronic temperature and humidity sensor indoor and outdoor digital temperature and humidity sensor 2) WiFi temperature and humidity sensor, the temperature and humidity are clear at a glance 3) Real-time monitoring of indoor temperature and humidity, it is more intimate to know the temperature and humidity 4) The current ambient temperature value can be preset in the app, and when the preset value is exceeded, the air conditioner will be automatically turned on or off Specifications: Network standard: WiFi Power input: 3V Temperature Resolution: 0.1C Humidity Resolution: 1% Temperature measurement accuracy: 0.3C Humidity measurement accuracy: 3% Standby current: 20uA Temperature Scale: Celsius / Fahrenheit Clock: 12 hour/24 hour clock Battery Type: 2 AAA 1.5V batteries (not included) Standby time: 10 months Operating temperature: 0C~70C Working humidity: 0%~99%RH Product Size: 64x64x28mm Packing list: (battery not included) 1*Tuya wifi temperature and humidity sensor Notice: Please allow 1-3mm difference due to manual measurement. Due to different displays and different lighting, pictures may not show the actual color of the item. thanks for your understanding