Ⅰ. Digital Timer (Black, No Batteries), Large Screen Countdown Timer, Kitchen Timer with Loud LCD Display, Small Portable Electronic Ⅱ. How to use: Press the S button to set the second display position, press the M button to set the minute display position, press the START/STOP button to start or stop, and press the MS button to reset the display to zero. When the set time counts down to zero seconds, the alarm will sound. Ⅲ. Function: Countdown function, up to 99 minutes and 59 seconds, after the countdown is over, it automatically returns to the set countdown time; counting function, press the M and S buttons at the same time to reset, and then press the START button to start counting. Ⅳ. Product attributes: Dimensions: 8.2*7.2 cm, use ordinary AAA batteries (there are no batteries with this product, you need to purchase them yourself). Ⅴ. Small and portable: comes with a magnet and a holder, with a free hanging hole on the back; can be attached to a metal surface, placed on a table or hung; there is a foldable hanging hole at the top of the clip, suitable for hanging on a hook. Ⅵ. Large screen: clear screen, large numbers, three-button design, easy operation and setting. There is a clip on the back of the product that can be attached to a belt.