Features: Large LCD screen to display weather information, time, date, indoor/outdoor temperature and humidity simultaneously, and the display content can be DIY according to your own preferences. Acquire and sync weather data automatically via network all day. The weather data, indoor/outdoor temperature history data also can be checked from the Smart Life APP via mobile phone. Air pressure / UV index / wind speed / temperature / humidity alarm reminder setting. Supports up to 3 units of auxiliary sensors(package only include 1 unit) to collect temperature and humidity data based on its locations simultaneously. Display brightness 3 modes adjustable, increase the night mode, which does not affect your sleep. (Tap on the top of the main unit to adjust brightness) The weather station clock can be hung on the wall, or put on desk, easy to install. The sensor can be hung up with string, or be attached on the metal surface. Specifications: Material: ABS Input: 100-240V, 50/60Hz Output: 5V, 2A APP: Smart life/Tuya Wifi Standby Current: About 6uA for auxiliary machine Standby Time: 6 months for auxiliary machine Communication Way: Wifi(2.4G)+BLE module Communication Frequency for Auxiliary Machine: 433MHz Communication Distance for Auxiliary Machine: 80M (empty outdoor environment) Temperature Display Unit: / Humidity Display Unit: RH% Temperature Range & Accuracy: -20~60, ±0.5 Humidity Range & Accuracy: 0%~99%, ±2%RH Operating Temperature: -20~60 Auxiliary Machine Power Supply: 3V 1000mA, CR2477 button cell Main Machine Size: 160 * 23.5mm / 6.30 * 0.93in Auxiliary Machine: 45 * 15mm / 1.77 * 0.59in Item Weight: 355g / 12.52oz Package Weight: 550g / 19.40oz Package Size: 19.5 * 18.5 * 6.3cm / 7.68 * 7.28 * 2.48in Packing List: 1 * Indoor Weather Station Main Machine 1 * Indoor/Outdoor Wireless Sensor Auxiliary Machine 1 * USB Cable 1 * Manual (English, German, French)