Product details

[ Battery]: Use one AAA AAA battery

[ color]: 4 colors

[ weight]: About 0.05KG

[ size]:58*65* 19MM

[ sound]:" "DD" sound

[ Function]:
1. Countdown function: The maximum countdown time is 99 minutes and 59 seconds. When the countdown is completed, it will automatically return to the set countdown time.;
2. Positive timing function: The current time is 99 minutes and 59 seconds, and the cycle time is 99 minutes and 59 seconds.;
3. After the countdown is completed, there will be a 30-second or 60-second sound alarm prompt. The sound is loud. There is no alarm function during the countdown.;