This stylish, contemporary LED Lexington Alarm Clock by Acctim features a crescendo alarm and an LED mirror lens display to give the time and wake you in the morning.This alarm features an adjustable brightness and a snooze feature, power it up with batteries or a USB, whichever is more convenient for you. The display on this alarm also give you the indoor temperature, perfect for helping you start your day!. Mirror lens. Adjustable brightness. Snooze feature. Displays indoor temperature. Dual power supply (battery/USB). Requires x3 AAA batteries. Supplied with 100cm DC to USB lead. Approximate dimensions (mm) H 82 W 82 D 39