Robot Timer Student Kids Countdown Time Management Positive Time Countdown Running Sports Timer Kitchen Timer Long Duration Product Parameters: Material: plastic Colour: yellow green Battery capacity: 210mAh 1 button battery (model CR2032) Package size: 3.46 *3.07 *1.18 /8.8 *7.8 *3cm Gross weight: 0.14lb /66g Product Multi-functional timer: positive timing, countdown timing, meet the needs of students, athletes and kitchen use Accurate Timing: Seconds accuracy, silent timekeeping, meet all kinds of time management needs Convenient to carry: magnetic design, easy to fix on any metal surface, use at any time Long battery life: 180 days long battery life, no need to charge frequently, stable and reliable Widely used: students and children learning, kitchen cooking, sports timing, multi-scenario applications List of items: timekeeping device*1