1、Mute while mini timer works, which can be used for parking / time / kitchen / sports / experiment / beauty / meeting, etc. 2、Large screen display supports such timer easy to read and easy to use in the practical life. 3、With excellent shell and electronic movement, this digital timer is made after many inspections before leaving the factory. 4、Made of materials in high quality, electronic timer can work in higher performance, which makes itself getting great popularity. 5、Built to strict quality control standards, the timer design is improved for higher practical adoptability 1 x Alarm Clock  Item Type: Timer Material: ABSMovement: ElectronicPower Type: 1 x AAA (not included)Shape: SquareDisplay Type: DigitalProduct Function: 24 hours (1 second-24 hours) electronic type, positive, countdown timer / with memory / with clockProduct Function: For parking / time / kitchen / sports / experiment / beauty / meeting, etc.Time Setting: Press the (MODE) button to display the time, press the second button (SEC) to adjust the second. And press the minute button (MIN) to adjust the minute,while press the clock (HOUR) to adjust the time.Positive Timing: 1. Press the (MODE) key to the timing mode. When it is 0, press the start key to start timing; 2. Press again, the start button (START / STOP) will stop the timing, and then press the clear button (CLEAR) to return to 0;Split Countdown: 1. Press the CLEAR key to reset, then press the second (SEC), minute (MIN), hour key (HOUR) to set the required time, and then press the start key (START / STOP) to start the countdown; 3. Press START / STOP to stop the countdown, press CLEAR to return to 0Memory Function, Time Fast Adjustment Function: 1. Product timing supports 24 hours. And there is a start memory function for the countdown of the previous setting. When it is used again, press the CLEAR key to automatically return back to the previous set time; 2. Press and hold the seconds (SEC), minutes (MIN), hours (HOUR) key for more than two seconds, you can quickly adjust the time.Battery Replacement: 1. Replace the battery when the timer shows that the sound of the timer is weakened. 2. Use AAA batteries(not included) 3. Slide open the battery cover, take out the old battery, put the battery with clear positive and negative electrodes into it, and push the battery cover back to the original position.