Model Number:Smart Temperature and Humidity Sensor Origin:Mainland China Smart home platform:Tuya Certification:CE,FCC,RoHS Battery:LR03-1.5V/AAAx2 Temperature Measure Range:-20°C ~ 60°C Humidity Measure Range:0% RH ~ 100%RH Feature 01:Voice Control Feature 02:Works with Alexa Google Home Feature 03:Remote Control Feature 04:Tuya/ smart life APP Tenky Tuya Smart Home Wifi Temperature And Humidity Sensor Work With Alexa And Google Home Assistant Smartlife No Hub Required Description: 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 Update interval：Once an hour or Temperature changes exceed 0.5 degrees Celsius or humidity changes exceeding 5%. Specifications: 【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】 Package Included: 1*Sensor 1*Instruction 1*Back sticker