Specification: Material:ABS Size:14.5*4.3*7.8cm Color:white, blue, green, red, black 5 Functional Buttons: MODE, ALARM, SNZ/LIGHT, UP, DOWN Time Mode: 12 / 24 hours Temperature Standard: Celsius(0 ℃ - 55 ℃), Fahrenheit Package includes: 1 x Alarm Clock(not include battery) 1 x USB Cable 1 x Manual Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. *Power Supply: It can be charged either with a USB cable or powered by 3 AAA batteries (not included) *2 Level Brightness: The LED allows you to adjust the brightness from bright to dim, and close, it’s user friendly at night *Snooze Function: You can set up wake-up time from 5-60min *Night Mode (18:00-06:00): LED digital display brightness will automatically darken at night, and brightens automatically in daytime *LED Mirror Display: With large digital display, integrate time display, alarm, snooze, temperature display