1. Stopwatch function: 100th of a second display (in 0.01 second units), can store 100 memories; can retrieve: fastest (), slowest (SL) and average segment (AV) point or segment area time. 2. Calendar clock function: display year, month, day, week, hour, minute and second.The alarm clock can be enabled or disabled 3. Timer function: The countdown limit can reach 9 hours, 59 minutes and 59.99 seconds, and can be repeated 9999 times. 4. Stroke frequency measurement function: can measure stroke frequency per minute. 5. Metronome function: You can choose 10, 20, 30, 40, 60, 80, 120, 160, 240, 320 per minute for timing and counting. Weight: 95 grams (including battery) Power by: 1 x coin cell battery (Included) Daily alarm. Stopwatch function: stopwatch device can hundredth (1/100) seconds for measurement of up to + (10) hours. The measurement of time of split point / the time of section area. Large three-row display panel. Can be divided into three rows at same time, to show all time, sub-point time and sub-area. Time, and do not have to lift segmentation point or time of measurement of segment, but also to it Color: Silver Material: Aluminum + zinc Package Contents: 1 * stopwatch 1 * Instructions in Chinese and English Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.