Material Metal Product Dimensions 3.18"D x 3.18"W x 1.06"H Item Weight 90 Grams Perfect Used in Multiple Scenes:This is a new generation of electronic rotating timer for kids and whole family. whether for cooking egg, baking, exercise, work, study, lunch break, classroom and so on, the smart timer can help you to timing accurately One Key to Control:Compared with traditional digital timer, this digital no need to press repeatedly mechanically but can adjust fastly and timing high effectively. Rotate to get your desired time from 00:00 to 99:55, and press start button to timing Large LED Display & Energy Saving: 3-inch LED display, digits are clear at a glance. If you choose ECO Mode, the screen will turn dark after 5 s. Without operation for some time when not timing, the screen will be off to save energy 3 Volume Levels Alarm: Loud (85-100 dB) volume is proper for important remind. Medium volume(65-80 dB) can be set during reading with no disturbing on your mind; Mute (0 db) for study room or library,it will blink to remind you when time arrival Compact Design & Quality Guarantee:The back of the kitchen timer are set with strong magnetic adsorption and anti-slip pad, so that can firmly stick to metal surface; The timer has a collapsible stand on the back for easy placement and viewing