1. Quick setup and easy operation
2. Can be used for a variety of timing competitions
3. Basic time and auxiliary parameters can be changed at any time during the race
4. Left and right side can set the basic time and auxiliary parameters respectively
5. Can quickly switch the alarm or silence, the last 10 seconds of the race time has a sound alert
6. There are 6 types of 29 timing rules, each timing rule can modify the basic time and auxiliary parameters
7. After shutdown and then turn on (non-power off), you can keep the rule parameters before shutdown
8. Power supply: 2 AA battery power supply (not included)
9. Size: about 19.65 x 11.2 x 5.5cm
10. Weight: about 287g
