Features: 1. Digital sensor, more accurate temperature and humidity. Automatically obtain weather data and synchronize 2. APP intelligent control, easy operation, rich functions, APP sharing 3. Air pressure/UV/wind speed/temperature and humidity alarm function setting reminder 4. You can view the historical data trend record of temperature and humidity. Diversified installation methods make installation easier 5. It can support 3 sub-machines, and take the temperature and humidity of different positions at the same time. Display content, you can DIY according to your own preferences. The display brightness can be adjusted in 3 gears, and the night mode is added, which does not affect sleep Specification: Name: Smart Weather Clock Input: 50/60Hz Output: 5V/2A Standby current: auxiliary machine about 6uA Standby time: 6 months for auxiliary machines Communication : Wifi(2.4G)+ module Auxiliary communication frequency: 433MHz Auxiliary communication distance: 80M (outdoor open environment) Temperature display unit: / Humidity display unit: RH% Temperature range and accuracy: -20~60, 0.5 Humidity range and accuracy: 0%~99%, 2%RH Working temperature: -20~60 Auxiliary power supply: 3V 1000mA, CR2477 button battery Plug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on Voltage: AC220V Material: plastic colour: White Package Contents: 1 x Thermometer 1 x Extension 1 adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.