Product characteristics Sound alarm Large screen and clear digits Magnetic back; retractable stand and lanyard count up and down On/off switch; save battery (battery is not included). Use AAA 7 batteries. Long press M/S; you can speed up digital changes and save setting time. Has memory function Very easy to use. Product description Package Quantity: 4 Digital Timers Time units: Minutes (M); Seconds (S) Maximum time: 99 minutes; 59 seconds Alarm sound duration: 60 seconds Product Size: 3 x 2.7 x 0.7 Screen size 2.02'' x 0.99'' Color: white; pink; green and blue. ?Large LCD Screen?This digital timer is simple to read the time and bold numbers effortlessly. LCD digital display made as ABS; difficult to break. Small size and light body make it pocket portable.durable kickstand and hanging hole make this magnetic timer easier to position where it should be. ?Easy To Set Up?This new digital timer features On/Off switch; Larger Screen and buttons with clear markings for ease of use. ?Magnetic Back; Retractable Stand and Hook Hanging?It can be placed on the desk through the stand and be placed on the wall or on the oven using a solid magnet. Also; you can wear a rope hang through the hole wherever needed. ?Loud Alarm?You will easily be able to hear this alarm in another room. It is loud and clear but not deafening. The mildly hard of hearing should have no trouble with the alarm. ?Applied occasions?These large digits timer clock can be applied for kitchen baking; cooking; shower; homework; exercise; gym workout; games; reading; outdoor activities; or other occasions where timing requires; this portable timer comes in handy.