Feature: Material:ABS plastic Size: Approx.2.7*2.5*0.75inch Power Supply: 1 x AAA Battery. (Battery Not Included). Color: White, Blue, Green, Pink Time limit:0- 100min. (Including counting up and counting down) Very Easy For Use: 1. Press S or M Button to set the second or minute; Press ST/SP button to start/stop the timer; 2. Press M button + S button at the same time will RESET the time to 00:00. 3. Countup Function: when time on 00:00, Press the ST/SP key, the timing will start, the time will start to count from 00:00, and press any key to stop timing.( will count from 00:00 >> 00:01 >> 00:02...) 4. CountDown Function: after set required time, such as 99:59, press ST/SP button, will count from 99:59 >> 99:58 >> 99:57... When Countdown finished, the Timer will ring to remind you!Press any button to stop the ringing. Package Includes: 1x Kitchen timer With large push button on/off key for easy operation, clear digital display and clearly marked buttons for ease of use. Four colors are a group, including blue, pink, white, and green. ABS plastic shell, not easy to break and long use time; LCD large screen display, the numbers are clearer ；Plastic buttons, not easy to get dirty, have a strong touch. Safe and non-toxic PC. The small timer is powerful. It is used to set lunch break time, study, beauty, sports, meeting, cooking time, etc. It can remind you on time, so you have no worries. There is a stand behind the timer, which can be placed on any flat place at will; with adsorption magnet, it can be attached to the refrigerator at home, on iron-containing objects; the big bell mouth, the sound is clearer; the hidden hanging hole is convenient for storage. Time timer for homework, exercise, gym workout,egg timer, sports, games and classroom timer activities.You will be proud to use this great timer for years to come.