Digital Electronic Clock Temperature And Humidity Display LED Display Electronic Clock Stereo Digital Display Automatic Brightness Adjustment Features: Display time and date, temperature and humidity; Light-sensitive LED display tube for time display brightness will change with the brightness of the light; The product is built-in 1500mAh, rechargeable and connects to a computer (5V) for power supply; This alarm clock is perfect for family, home, dormitory, living room and other places; Concise design, leaf-shaped design, LED mirror design, clear time display; Product Description: Power supply: USB charging; Material: ABS fireproof plastic; Function: time display, alarm clock, temperature and humidity display; Product Size:8.22in* 2.67in* 1.1in / 20.9cm* 6.8cm* 2.8cm; Package Size: 9.44in * 2.95in * 1.61in / 24cm *7.5cm *4.1cm; Gross Weight: 0.39lb; Package Includes: Alarm Clock*1; Instructions*1; USB Charging Cable*1;