Turn on the light at MAX output by pressing the tailcap button until it clicks.
Turn on the light at LOW output by holding the side switch button while pressing the tailcap button until it clicks.
For momentary on function, slightly press the tailcap button
To switch between different brightness levels, press the side button switch w/ flashlight on
To enter hidden auxiliary mode, press and hold the side button switch for 3 seconds w/ flashlight on
Remove the waterproof cover and insert the charging cable to charge the battery. User must turn on the flashlight switch at the tailcap to charge. (The flashlight will switch off the LED output during charge automatically until the charging cable is disconnected.)
The indicator may start flashing when user plug in the charging cable (without turning on the tailacp switch). Switch on the tailcap switch to start charging and the charging indicator will reflect the current charging level.
LED direct soldering on copper for maximum heatsink ability