The Acctim Medina White LED Alarm Clock is a timepiece created with precision. This white digital clock has a sharp LED display and a crescendo alarm with a snooze function. It also features an adjustable brightness function and indoor temperature display as well. It is battery or USB-powered for your convenience. The clock features a LED display with a mirror lens and adjustable brightness. This clock is battery or USB powered (lead supplied) and comes complete with a crescendo alarm with snooze and indoor temperature display. Features: LED Display With Mirror Lens Adjustable Brightness Battery or USB Powered Crescendo Alarm With Snooze Temperature Display Specifications: Dimensions: H:5.5 x W:14.0 x D:3.4 cm Colour: White Guarantee:2 years Batteries Required: Yes Material: Plastic Model Number: 16092