Pocket sized at 2 1/8inches square by 1 inch thick with easy to read dial despite its small size. Note: not for heavy sleepers as the alarm is not very loud which is why I am selling these. Alarm clocks have a high mortality rate with me because I constantly knock them off the night stand because I try to shut them off before I'm fully awake which is why I have several on offer. Made in China like almost everything anymore.