【Multifunctional Weather Station】Features time and temperature projection for easy night viewing, indoor / outdoor temperature and humidity monitoring with 1 outdoor sensor, weather forecast with vivid icons, dual alarms, calendar, and 12 / 24-hour display 【User-Friendly Setup】Available in 7 languages, the device is easy to set up and understand, with a helpful user manual for quick configuration 【Wireless Outdoor Sensor】Includes 1 outdoor sensor with a 60m / 197ft effective range, ideal for monitoring temperature and humidity in various locations 【Memory Function and USB Powered】Retains settings with battery backup. 150cm USB power cable for convenient placement. Adjustable LCD brightness from dim to bright 【Essential Home Accessory】Perfect for families with elderly and children, providing easy-to-read temperature and humidity information. Weather forecast symbols indicate changes for the next 8 hours Specifications: Calendar: Perpetual up to 2099 Alarm: Dual alarm with snooze (1-30 minutes or off) Projection: 180-degree rotatable time and temperature display Humidity Range: 20%RH to 95%RH Indoor Temperature Range: -9.9℃ (14.2℉) to 50°C (122℉) Outdoor Temperature Range: -40℃ (-40℉) to 70°C (158℉) Wireless Frequency: 433.92MHz Transmission Range: 60 meters in open area Sensor Support: Up to 3 wireless sensors Power: Main unit: CR2032 battery (for memory), USB DC5V1.2A, Sensor: 2 x LR06 AA batteries Material: ABS Dimensions: Weather station: 20.4 x 8.2 x 3.75cm, Sensor: 5 x 9.7 x 3.2cm