Zero clearing time: this portable timer can measure up to 99 min 59 sec, in addition to the standard count up, count down and repeat functions, the timer has 2 quickly adjustable buttons, they are respectively MIN and SET buttonsWide applications: these kitchen black timers are not only Compatible With cooking time in the kitchen, but also Compatible With studying, exercising, shower, and outdoors; They serve as a good reminder and are very convenient Compatible With youConvenient to carry: these bathroom timers are small in size, light in weight, there is a ring on the side that you can carry around on your key chain, which is very convenient and doesnt take up too much spaceClassic black: these swimming timers apply classic black colors, making them look more generous and simple, suitable Compatible With many ages as well as many different situations, such as kitchen, study, bedroom and so onMagnet on the back: these timers have magnets on the back so they can be affixed to a metal surface such fridge door by the magnet on the back, or can be placed on a table top by the plastic stand outward from the backsideAs presents: You can apply these mini digital timers as presents to send to your friends, parents, neighbors and colleagues, they can apply them in many occasions, such as bathroom, kitchen and so on.Shape: rectanglecolour: blackMaterial: plasticPackage Contents:4 x TimerOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.