<p> 100% brand new high quality. Colour: White. Weight: about 36g. This item is 1 piece digital LCD timer. Countdown function. There are 3 buttons: M, S, Start/Stop. M_Button: Minute setting, up to 99 minutes. S_Button: Set the second duration, the maximum duration is 59 seconds. Press M_Button + S_Button to reset the timer to 00M00S. START/STOP_Button: start countdown or countdown (after setting countdown, press START/STOP to start countdown; at 00M00S, press START/STOP to count up) 'to 00M00S >> 00M01S >> 00M02S >> 00M03S00M04S >> ... ) During figure counting, press START/STOP to stop the timer and press again to resume the timer. Maximum setting: 99:59 (99 minutes 59 seconds). When the countdown is finished, the stopwatch will sound "DiDi DiDi Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di Di System System System System System System System Control system System System Test system System System Track recording Test system System Power system System recording system Power system System recording system System recording system System power system Recording system System power system Recording system System System Record Series System Record System System Record System System Record System System Record System System Record Series System Record Series System System Record System System Syn Test System will sound" to remind you! Press any key to stop the alarm. Use for: kitchens, factories, sports, dens, etc...anywhere you need a good timer. Power supply: 1 x 1.5V AG13 button battery (battery not included). The package includes: 1 x 99 minute LCD digital timer. </p>Note: The data is all manual measurement, please allow 1-3cm error; due to the difference in light and display, there would be a certain color difference, please understand. refer to the actual object received.