NoteThe products sold in this store are all ecological chain products authorized by XIAOMI, and the products do not carry the XIAOMI logo.Description:Product Name: self regulating rotary timerProduct size: 7.8 * 2.7 * 2.7Product weight: 70gBattery life: 3 monthsBattery: 3 AAA batteries (not included).Specifications:LED display screen: large mirror screen, easy to read, timer is displayed in large fontMute or not: there are 3 volume settings for you to choose from. This digital countdown alarm has mute, low volume and high volume settingsEasy to place: you can place this digital stopwatch on an iron surface, such as a refrigerator surface, or just on the desktopUser friendly: you can quickly set this led digital timer, just rotate it, and the maximum can be set to 99 minutes and 59 secondsApplication: this led rotary digital timer is very suitable for cooking, baking, learning, meditation and fitness.Package Included:1 * timer1 * instructionsNotes:Do not use new nanfuyiyuan battery and high alkaline battery (the starting voltage of the new battery is 1.6V ), and each battery cannot be higher than 1.5V.It is recommended to use cheap carbon batteries (this product is very power-saving)