The customer comes first! If you have any dissatisfaction with the product, we support full refund within 30 days! 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 Description: 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, 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 Viflosae Robot Timer Student Kids Countdown Time Management Positive Time Countdown Running Sports Timer Kitchen Timer Long Duration Electronics Gadgets Up to 40% Off 【Tips】: If you have any questions, please feel free to contact me and I will reply to you as soon as possible within 24 hours.