Professional Digital Stopwatch 0.001s Precision Luminous Countdown Timer 100/200 Channels Memory Referee Training Running Timer

SPECIFICATIONSBrand Name: NoneOrigin: Mainland ChinaAppearance: COMMONModel Number: Digital Stopwatch TimerType: TimersTimers Type: Digital TimersMaterial: MetalScreen Size: 31*24mm Professional Digital Stopwatch 0.001s Precision Luminous Countdown Timer 100/200 Channels Memory Referee Training Running Timer Specifications: ● Name: Stopwatch Timer● Accuracy: 0.001s● Size: 73*64*15mm● Screen Size: 31*24mm● Number of channels: 100/200 memory● Power supply: CR2032 button electronic● Features: switchable off, silent, with night light, 0.001s accurate Features: 1. Large luminous display for easy reading of values at a glance.2. Accurate timing, accurate to 0.001 seconds, 100/200 channels available3. Reasonable key structure, comfortable to touch and not stuck, reinforced and upgraded treatment, strong and durable4. metal shape, comfortable grip, preferred by fitness sports.5. Waterproof for daily use, it can protect against rain, sweat and splash water, just wipe