FJ3373 multi-function digital weather station alarm clock. Features thermometer, hygrometer, and barometer functions with a wireless sensor. Displays indoor and outdoor temperature, humidity, and barometric pressure trends. Helps monitor environmental conditions. Includes time, calendar, alarm, moon phase, and weather forecast display. Perpetual calendar valid up to year 2099. Day of the week available in 7 selectable languages: English, German, Italian, French, Spanish, Dutch, and Danish. Time format switchable between 12-hour and 24-hour modes. Equipped with a wireless temperature and humidity sensor. Outdoor high/low temperature and frost alerts. Indoor comfort level indicator based on temperature and humidity, with 5 levels of comfort display. Wireless sensor operates at 433.92MHz RF frequency with up to 60 meters transmission range in open areas. Sensor supports wall mounting or stand placement. RF signal can transmit through walls for reliable indoor data reception. Powered by USB (adapter not included) or 2 AA batteries (not included). Compatible with global power sources via USB. Positive LCD screen for clear visibility. Main unit made of ABS material. Specifications: Brand: FanJu Model: FJ3373 Color: Black Material: ABS Screen Type: Positive LCD Indoor Temperature Range: -10C to +50C (14F to 122F), accuracy 0.1C Outdoor Temperature Range: -20C to +60C (-4F to 140F) Humidity Range: 20% RH to 95% RH, accuracy 1% RH Barometric Pressure Range: 600 hPa/mb to 1100 hPa/mb, accuracy 1 hPa/mb Power Supply: 2 x AA batteries or DC 5V USB adapter (batteries and adapter not included) Weather Station Dimensions: 16.7 x 12.9 x 3 cm / 6.6 x 5.1 x 1.2 inches Outdoor Sensor Dimensions: 9.6 x 5 x 3.4 cm / 3.8 x 2 x 1.3 inches Unit Weight: 460 g / 16.2 oz Package Dimensions: 17.5 x 13.8 x 7 cm / 6.9 x 5.4 x 2.8 inches Package Weight: 480 g / 16.9 oz Package Includes: 1 x FanJu FJ3373 Weather Station 1 x Wireless Outdoor Sensor 1 x USB Power Cable 1 x User Manual (English, German, French, Italian, Spanish) Note: AA batteries not included.