LED Wooden Digital Bedside Alarm Clock LED Date Temperature Display Description: This digital alarm clock has an LED display, easy to read, and an ultra-thin body; due to its simplicity, it is one of the best alarm clocks in the bedroom. This high-quality digital clock allows you to wake up every morning.  Powered by USB or battery: The alarm clock can be powered by a USB cable or 3 AAA batteries (not included). Note: If the alarm is running on battery, the alarm will be on for 5 seconds and then off, and then you can activate the screen by clapping your hands. Save energy and make you sleep better at night. If via USB, the clock will always be on. Easy Use : The clock has been designed with absolute simplicity in mind and you will have no problem whatsoever operating it. Ideal Gift:It is an excellent gift idea for Birthday, Graduation, Housewarmings and New Year ect. Material: ABS Color as shown (Due to the different monitors, there will be some color differences.) Battery: 3*AAA battery (not included)