Features: Perfect for chefs-athletes, students, or anyone who-needs to keep-track of time-accurately and conveniently. 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. Specifications: Material:Plastic Size:Approx.10.5x8.5cm/4.13x3.34inch Color:Black/Pink/Green You need to bring your own 3xAAA battery. Package Includes: 1x Cooking Timer 1x User Manual note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.