Material Metal-Item dimensions L x W x H 8 x 2 x 8 centimetres-Item weight 0.22 Pounds-Human interface input Buttons-About this item-[Directly Input Minutes And Seconds Timer]: You can directly press the digit buttons to set Minutes and Seconds, if wrong numbers are entered, simply press RESET to clear and re-set, SO EASY- If the alarm timer not woking, it will turn off automatically after 10 minutes to save battery.-[Count Up/ Countdown Timer]: Counts up/countdown time by minutes and seconds, maximum time ups to 99 minutes 59 seconds. Counts up function can be used as a stopwatch. Powered by 2 X AAA Batteries(not included)-[Large LCD Screen Loud Alarm]: Large screen can make you read the big digits from a distance clearly and easily. When countdown time counts to 0, The loud gradual BB sound will last for 60 seconds, you can hear it from anyplace in your house and won't miss it-[Multiways to Place Cooking Timers]: Handheld, Tabletop stand, Hanging or Attached onto the metal surface such as refrigerator. Small Size, easily to carry on everywhere you want.-[Widely-Used]: Perfect Digital timer for homework, exercise, gym workout, cooking, sports, games and classroom timer activities. A real good life reminder for you. Perfect gift for children and friends