1.The retro alarm clock with modern technology classic design meets innovative functions. Its powerful alarm with snooze function reliably gets you out of sleep, while the stylish white LED display with 3 brightness levels and night mode ensures optimal comfort. If desired, the display can be completely switched off and activated again via acoustic control – by clapping or tapping – (only in battery operation). 307371 or 307286 2.Quiet nights, reliable wake up: the silent operation with digital display allows even sensitive sleepers a quiet night. To wake up, the alarm clock provides a clear, loud bell alarm that reliably gets even deep sleepers out of sleep. Ideal for anyone who gets out of bed difficult, including the elderly. 3.Power supply as desired. The operation is flexible either via three AAA batteries or via USB power supply, a power supply and USB cable (type A to C) is included. 4.Product advantages: modern alarm clock in retro look with loud alarm snooze function 3 brightness levels night mode (dims the display at the selected time period) display off acoustic control: display can be switched on by clapping / knocking (only in battery operation!) Display of time (12h/24h mode) and date White LED display Operation optionally via batteries (3 x 1.5 V AAA) or USB power supply Includes power supply and 1 m USB power cable type A to C.