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. 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 1x User Manual