Tuya WIFI Temperature And Humidity Sensor With 2.9inch LCD Display,Spec: Only Sensor

1. Tuya WiFi digital temperature and humidity sensor, no hub required2. Built-in high-precision temperature and humidity sensors, quickly and accurately detect changes in temperature and humidity in the surrounding environment3. USB charging, no need to buy batteries, energy saving and environmental protection.4. The sensor has a temperature probe (optional), which can accurately detect the water temperature/temperature and humidity of the fish tank. It is widely used.5. The upper and lower limits of temperature and humidity can be set, and the alarm will be issued immediately when the temperature and humidity exceed.Specification:1. Working humidity: 0~100%RH2. Working temperature: -19~60 degrees Celsius (-2.2-140 degrees Fahrenheit)3. Temperature measurement accuracy: +/-0.3 degrees Celsius4. Humidity measurement accuracy: +/-2%5. Brightness measurement range: 0~100%6. Working voltage: DC 5V7. Static current: 30mA8. Battery specification: 3.7V/500mAh9. Charging time: less than or equal to 2 hours10. Built-in battery life: less than or equal to 4 hours (full charge)11. Temperature probe: 1 meter12. Wi-Fi standard: IEEE 802.11 b/n/g 2.4GHz13. Dimensions: 86 x 86 x 22.8mm