1、120 tracks record storage,the accuracy measurement time is 1/100 sec. 2、Fastest(FS), slowest (SL) and average segment (AV) or segmented time. 3、The maximum countdown long up to 9:59:59. 4、Freeze split-time displays while total timing continues. 5、Metronome funcion, 10 ~ 320 times / min, grasp all the rhythms in the sports. 6、Can also display calendar, clock, hour, minute, second, week, month, day, selectable 12/24 hour. 7、Large 3-row LCD screen allows you to read the data clearly. 8、Shockproof ABS shell, comfortable to grip. 9、Comes with adjustable wrist strap for self timing while running. 10、Apply to many sports. Football, basketball, running, Cycle, swimming, baseball, wrestling, taekwondo and so on. Features: 120 tracks record storage,the accuracy measurement time is 1/100 sec. Fastest(FS), slowest (SL) and average segment (AV) or segmented time. The maximum countdown long up to 9:59:59. Freeze split-time displays while total timing continues. Metronome funcion, 10 ~ 320 times / min, grasp all the rhythms in the sports. Can also display calendar, clock, hour, minute, second, week, month, day, selectable 12/24 hour. Large 3-row LCD screen allows you to read the data clearly. Shockproof ABS shell, comfortable to grip. Comes with adjustable wrist strap for self timing while running. Apply to many sports. Football, basketball, running, Cycle, swimming, baseball, wrestling, taekwondo and so on. Specifications: Material: ABS Type: Type 10 / Type 30 / Type 60 / Type 120 Product Size: 6.7 * 6.7 cm / 2.6 * 2.6 in Product Weight: 55 g / 1.9 oz Packing Size: 14.5 * 10 * 3.6 cm / 5.7 * 3.9 * 1.4 in Packing Weight: 104 g / 3.7 oz Package List: 1 * Stopwatch 1 * User Manual 1 * Stopwatch 1 * User Manual