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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!