This smart weather station with clock collects weather data via the internet to display time, date, temperature, humidity, and weather information based on its location. Each main unit supports up to three external sensors. Place the sensors indoors or outdoors, and the data will be transmitted wirelessly to the main indoor display. You can also monitor and control the device through your smartphone, viewing real-time weather data and historical indoor/outdoor temperature trends via the app or directly on the main unit.Features: Large Color ScreenClear color display shows essential weather metrics including UV index, air pressure, wind speed, apparent temperature, current temperature, humidity, and weather forecast icons (sunny, cloudy, rainy, snowy, thunderstorm, partly cloudy). Switchable UnitsEasily switch between temperature units (F/C), wind speed units (mph/km/h), pressure units (hPa/mbar), and time format (12/24-hour) using the app. Adjustable BrightnessTouch-sensitive control allows you to adjust screen brightness across three levels with a simple tap. Versatile UseIdeal for use in bedrooms, attics, garages, pet enclosures, basements, refrigerators, and more. Set customizable alerts for UV, pressure, wind speed, temperature, and humidity to receive warnings when levels exceed your preferred thresholds. User-Friendly DesignThe main unit can be wall-mounted or placed on a desk. The sensor can be hung with a string or attached to metal surfaces for flexible placement.Specifications: - Number of Sensors: 3 pcs - Material: ABS - Input Voltage: 100240V, 50/60Hz - USB Input: 5V/2A - USB Output: 5V/1A - Compatible App: Smart Life / Tuya Smart - Standby Current (Sensor): Approx. 6A - Sensor Battery Life: Up to 6 months - Communication: Wi-Fi (2.4 GHz) and BLE module; Sensor RF frequency: 433MHz - Wireless Range (Sensor): Up to 80 meters in open outdoor environments - Temperature Display Unit: F/C - Humidity Display Unit: %RH - Temperature Range & Accuracy: -20C to 60C, 0.5C - Humidity Range & Accuracy: 0% to 99% RH, 2% RH - Operating Temperature: -20C to 60C - Sensor Power Supply: 3V CR2477 coin cell battery (not included) - Main Unit Dimensions: 160 x 23.5 mm / 6.30 x 0.93 in - Sensor Dimensions: 45 x 15 mm / 1.77 x 0.59 in - Product Weight: 355g / 12.52oz - Package Weight: 600g / 21.15oz - Package Dimensions: 19.5 x 18.5 x 6.3 cm / 7.68 x 7.28 x 2.48 in Packing List: 1 x Weather Station Main Unit 3 x External Sensor 1 x USB Cable 1 x User Manual Note: Power adapter not included.