Product Description NOTE : Fast shipping ,if your address in US/CA/EU , it only take 12-18 days to reach your hand. Other country may take 25-35 days depend on your address, thanks for your understanding ❥(^_-) Wifi Description: 【Intelligent Linkage】 When the ambient environment change, you can do intelligent linkage. For example, the air conditioner will be on and turn to specified temperature automatically when the room temperature surpass 28℃. And the humidifier will spray when the humidity is lower than 20% RH. 【Share devices】 You can share your added devices with your family members, so they can also monitor the ambient environment. 【Temperature Unit Selection in APP】 You can choose ℃ or ℉ as the temperature unit through app. 【 Third-party Voice Control】 Works with amazon alexa, google assistant. 【Low battery alarm】 The battery level can be monitored. 【Temperature and humidity changes.】 Temperature and humidity change curve, historical data. 【Wall-mounted, easy to install】 Specifications: Material : ABS Size: 70*24*19mm Product Weight: 30g Battery:LR03-1.5V/AAA*2 Wi-Fi frequency: 2.4GHZ IEEE 802.11 b/g/n Temperature Measure Range: -20°C ~ 60°C Humidity Measure Range: 0% RH ~ 100%RH Temperature Measure Accuracy: ±1°C Humidity Measure Accuracy: ±5%RH Package Included: 1*Sensor 1*Instruction 1*Back sticker Zigbee Notes: This product needs to be used with Tuya zigbee3.0 gateway. Description:1.Tuya Smart ZigBee Temperature and Humidity Sensor:Requires Tuya ZigBee Wireless Gateway Hub.2.Real-time perception of temperature and humidity changes , support Smart Life / Tuya App.3.New ZigBee technology with low power consumption microprocessor for long standby.4.Smart scene linkage to your air conditioning and humidifier,offering your house with the most comfortable temperature and         humidity.5.Widely used in various places and easily stick it to the wall with the sticker for simple installation. 6.Can be used with Alexa and Google home Specifications:Product name: Temperature and humidity sensor Battery type:2*AAA (NOT INCLUDE)Product parameter:DC3V LR03Quiescent  current:≤10uAAlarm  current:≤15mALow voltage and  undervoltage:≤2.6VWireless  Technology:ZigBeeDetection  temperature:-10℃~+60℃Detection  humidity:0-100%RHWorking  temperature:-10℃~+50℃Working humidity:maximum 95%RH Package Included:1*Temperature humidity sensor1*User Manual1*Accessories package Shipping