driver for S21F

Switch type: electronic switch (with standby current)

Output: max 8A, buck constant current.

Charging port: TYPE-C charging interface, charging current 2A, 

Mode operation instructions:

• Flashlight is turned off,click the button --> the flashlight turns on at the last brightness --> press and hold the button, the brightness goes up --> release the button,then press and hold the button again, the brightness goes down.
• Flashlight is turned off, press and hold the button --> moonlight mode (this brightness will not be remembered)
• Flashlight is turned off or turned on, double click the button --> turbo 100%,
• Flashlight is turned on, click and hold button --> color temperature change mode
• Flashlight is turned off or turned on,click the button 3 times --> strobe, double-click to enter the SOS, double-click again to enter the beacon, and click to return to the previous brightness
• Flashlight is turned off, click the button 4 times --> tactical mode, only 100%, click the button again 4 times to exit the tactical mode.
• Flashlight is turned off, click the button 5 times --> voltage detection (* means "flash", ***pause***** means 3.7V,)
• Flashlight is turned off, click the button 6 times --> stepless mode is switched to the 4 modes (1%-10%-40%-100%)
• Flashlight is turned off, click the button 10 times --> lock mode, the flashlight will flash once under any operation, indicating that the flashlight is locked. Click the button again 10 times to exit the lock mode, please note that this is the only way to unlock.
  
  The driver has low voltage protection and temperature control protection.