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 for cooking time in the kitchen, but also for studying, exercising, shower, and outdoors; They serve as a good reminder and are very convenient for 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 doesn't take up too much spaceClassic black: these swimming timers apply classic black colors, making them look more generous and simple, suitable for 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 backsideColour:blackMaterial:plasticSize:8 5 x 5 4cmPackage Contents:5 x Digital TimerOnly the above package content, other products are not included Note: Light 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