Mode Instruction: 

12 groups:
1.click the switch to turn the flashlight on/off,tap the switch to select mode
2.if flashlight is turned on,tap the switch 20 times quickly to enter into config mode.(On a visual interface,as long as you click on an option, it means that the option is selected. The flashlight has no visual interface. It flashes to represent an option, and 'tap the switch in the flashing process' means to select the option.)
   Option 1 (normal-flash 1 time + buzz-flash): tap the switch to enter into sub-option to select the mode group,If the user has no operation, the config mode will enter option 2.
       -------------sub-option 1.1 (normal-flash 1 time) : tap the switch to select mode group 1 (0.1%, 1%, 10%, 35%, 100%, strobe, biking, battery-check)
       -------------sub-option 1.2 (normal-flash 2 times) : tap the switch to select mode group 2 (0.1%, 1%, 10%, 35%, 100%)
       -------------sub-option 1.3 (normal-flash 3 times) : tap the switch to select mode group 3 (100%, 35%, 10%, 1%, 0.1%)
       -------------sub-option 1.4 (normal-flash 4 times) : tap the switch to select mode group 4 (1%, 20%, 100%, strobe, biking, battery-check, SOS)
       -------------sub-option 1.5 (normal-flash 5 times) : tap the switch to select mode group 5 (1%, 20%, 100%)
       -------------sub-option 1.6 (normal-flash 6 times) : tap the switch to select mode group 6 (100%, 20%, 1%)
       -------------sub-option 1.7 (normal-flash 7 times) : tap the switch to select mode group 7 (0.1%, 1%, 10%, 50%, strobe, biking, battery-check, SOS)