Note The 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 timer Product size: 7.8 * 2.7 * 2.7 Product weight: 70g Battery life: 3 months Battery: 3 AAA batteries (not included). Specifications: LED display screen: large mirror screen, easy to read, timer is displayed in large font Mute or not: there are 3 volume settings for you to choose from. This digital countdown alarm has mute, low volume and high volume settings Easy to place: you can place this digital stopwatch on an iron surface, such as a refrigerator surface, or just on the desktop User friendly: you can quickly set this led digital timer, just rotate it, and the maximum can be set to 99 minutes and 59 seconds Application: this led rotary digital timer is very suitable for cooking, baking, learning, meditation and fitness. Package Included: 1 * timer 1 * instructions Notes: 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)