CoRui Tuya Wifi Smart Temperature And Humidity Sensor Tuya WiFi Door Sensor Window Sensor Magnetic Alarm Work With Alexa Google Temperature And Humidity Sensor 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 Intelligent LinkageWhen 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 devicesYou can share your added devices with your family members, so they can also monitor the ambient environment. Temperature Unit Selection in APPYou can choose or as the temperature unit through app. Third-party Voice ControlWorks with amazon alexa, google assistant. Low battery alarmThe battery level can be monitored. Temperature and humidity changes.Temperature and humidity change curve, historical data. Wall-mounted, easy to install Door Sensor Window Sensor Description: Input voltage:3V LR03 Quiescent Current:≤45uA Alarm Current:≤130mA Low power undervoltage:≤2.4V WiFi:802.11 b/g/n Magnetic control distance:≥15mm Battery: DC 3V LR03AAA batterynot included Alarm mode: mobile phone APP notification pushSmart Life/Tuya Smart Size: Main body: 68*23*19mm Permanent magnet: 43*10*14mm