Size Width: 10 cm Height: 10 cmKey features Rising alarm signal, with snooze function. The clock has a LED backlight and is lit when pressing the button. No disturbing ticking sounds since the clock has a silent quartz movement. Highly accurate at keeping time as it is fitted with a quartz movement.Good to know Batteries are sold separately, 2 pcs LR6 AA 1.5V required. We recommend using alkaline batteries in the clock. A clock without the tick-tock. The mechanism has a silent movement so you can relax and sleep without being disturbed by the sound, until the alarm sets in.