?Switchable Format?Easy to operate via APP to switch the temp unit °F/°C,Wind speed unit mph/ km/h,Air pressure unit hpa/mbar and Time unit 12/24 Hour formats. ?Brightness Adjustable ? Functionality will be implemented by just touching the top of the thermometer to switch among 3 Brightness levels. ?Widely Used?Suits various scenario like bedroom, attic, garage, pet case, cellar, refrige etc. UV/Pressure/Wind speed/Temperature/Humidity alarm can be setted, warning you according to the limits you set. ?Easy To Use?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: Sensor Qty: 1pcs or 3pcs (Optional) Material: ABS Input: 100-240V, 50/60Hz USB Input: 5V/2A USB Output: 5V/1A APP: Smart Life / Tuya Wifi Standby Current: About 6uA for auxiliary machine Standby Time: 6 months for auxiliary machine Communication Way: Wifi(2.4G)& 43;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(Not Included) 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 Weather Station Main Machine 1 Sensor 1 USB Cable 1 Manual (EN,DE,FR,ES,IT) Tip: Delivery without adapter.