With 12 easy-to-read Arabic numeral markers,Two adjustable knobs at the back for time/ alarm set up,An alarm on/ off switch for turning alarm on/ off,A standing base for easy placement,Powered by 1 x AA battery (not included),Material: Plastic,Size: 230*130*60mm/9.04*5.11*2.36inch,Package Included:,1 x Alarm Clock,If you like, you can give us a good praise. If you don't like, please give us feedback, we will respond promptly, thank you!