1.Digital Timer:Stopwatch & Digital Timer. Memory setting of previous timing. Press ST/SP to pause or start the timer. Comes with ON/OFF Switch. Powered by 1*AAA battery (battery not included).2.EASY OPERATED: Three buttons function as up or down timer from 1 second to 99 minutes with memory function.Push and hold button over 2 seconds then the time will fast forward.Save power and you can power it down after use with the small, easy on/off switch on the side. Operates on 1x AAA battery(For Safety of Shipping, Battery Not Included)3.LOUD ALARM: Ring the sound of ""BiBi"" lasts for 30s when the timer is count down to zero, and you could press the ST/SP to stop it.. Loud & clear sound but not deafening. The alarm sound can be heard from another room.4.MULTIPLE FUNCTIONS - The digital kitchen timer clock can both count up and count down in a range from 1 second to 99 minutes which makes it a perfect timer for VARIOUS ACTIVITIES, Perfect timer for homework, tooth brushing time, exercise, gym workout, cooking, sports, study, games and classroom timer activities. Lightweight and fashion, very convenient to carry and use.etc5.PACKAGE: Come with timer instruction manual. If you didn't absolutely love your timers or if there were any issue. Welcome to contact us