This beautiful table and wall clock is a real bright spot among the clocks with its blue luminescent numerals and alarm clock. The great thing: Even if you take it off power for a short time, it runs on a back-up battery and continues for some time. It will show the correct time as soon as you turn it on again. plastic, white, adapter inclusive, alarm tone, Battery: included, display lightening, Hour mode: 12/24, wall holder