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 buttons Wide applications: these kitchen black are not only for cooking time in the kitchen but also for studying exercising shower and outdoors; They as a good reminder and are very convenient Convenient to carry: these bathroom 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 space Classic black: these swimming 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 on Magnet on the back: these 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 backside Colour:black Material:plastic Size:8.5 x 5.4cm Package Contents: 5 x Digital Timer Only 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.