Robot Timer Student Kids Countdown Time Management Positive Time Countdown Running Sports Timer Kitchen Timer Long DurationProduct Parameters:Material: plasticColour: yellow greenBattery capacity: 210mAh 1 button battery (model CR2032)Package size: 3.46 *3.07 *1.18 /8.8 *7.8 *3cmGross weight: 0.14lb /66gProduct Description:Multi-functional timer: positive timing, countdown timing, meet the needs of students, athletes and kitchen useAccurate Timing: Seconds accuracy, silent timekeeping, meet all kinds of time management needsConvenient to carry: magnetic design, easy to fix on any metal, use at any timeLong battery life: 180 days long battery life, no need to charge frequently, stable and reliableWidely used: students and children learning, kitchen cooking, sports timing, multi-scenario applicationsList of items:timekeeping device*1