The Rolling Alarm Clock is a fun and effective alarm clock that will help you get up. Designed for people who have trouble falling asleep, it rolls, spins, and makes a sound loud enough to wake you up, even in the dead of night. Technical Specifications Alarm Clock Length: 13.5 cm Roll Diameter: 9 cm Product Weight: 332 g Package Dimensions: 16.5 x 11.5 x 10.5 cm Color: Black Compatibility & Accessories Suitable for children, teenagers, and adults. Ideal as a bedroom, graduation, or back-to-school gift. Setup Easy setup: just set the time and select the snooze option. Works on any surface (carpet or wood). Instructions for use Wakes up people who have trouble falling asleep with a loud sound. Adjustable snooze time from 1 to 8 minutes. Moves randomly to encourage you to wake up.