Luminous Metal Stopwatch Sports Training Swimming Track & Field Timer, YS-610L 10 Laps Memory, YS-630L 30 Laps Memory, YS-660L 60 Laps Memory, YS-6100L 100 Laps Memory

1. All-metal shell stopwatch, drop-shock resistant and sturdy. Equipped with lanyard, easy to carry for sports competitions and training timing.
2. Three-row large LCD screen for clear reading, visible under sunlight. Energy-saving backlight enables convenient reading in dim and night conditions.
3. Supports split timing and memory storage. Multiple lap records can be saved and recalled to meet multi-group timing test demands.
4. Adopts high-precision timing chip with 1/100 second accuracy. Max timing duration up to 9h59m59s for stable and accurate time measurement.
5. Powered by CR2032 coin battery. Rotatable back cover for quick battery replacement. Multi-button layout for simple and intuitive operation.

Specifications
Material: All-metal housing
Water Resistance: Daily water-resistant (sweat and splashes resistant, do not submerge in water)
Functions: Clock, alarm, calendar, week display, stopwatch, timer, metronome, key mute setting, power-off function, backlight function (dedicated backlight button, lights up for 4 seconds per press)
Stopwatch Precision: 0.01 second
Lap Memory Capacity: Optional 10 / 30 / 60 / 100 laps
Dimensions: 72x61x15.7mm
Net weight: 120g