Features: LED-display screen: large mirror screen, easy to read, timer is-displayed in large font. Application: this led-rotary digital timer is-very suitable for cooking, baking, learning, meditation and fitness. There is-magnetism on the back, you can-stick it on classroom whiteboards, cooking utensils, tasks, student tablets, iron-walls, refrigerators, gymnasiums or other steel-places. Time-management helps students-focus on time-management for study, showering, game, etc, classroom teacher organization, mother cooking, baking, and boiling eggs. Large LED-display, rotating regulation, counting up-and down, sound reminder. Specifications: Material:Plastic Size:As Picture Shown Color:Black/White/Pink Support Magnetic Installation Quick adjustment: With a stop every 5 seconds Adjustable range: 00: 00-99: 55 Support counting up-and down Volume level: mutes/low volume 60-75dB/ high volume 80-90dB. Working voltage: 4.5V(3 No.7AAA batteries) Working temperature: 0~50 Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Cooking Timer