Operation Instruction:
1.ON/OFF:one click of the switch
2.output change:From ON,press and hold the switch to ramp the output from Low-Med-High,release the button to select the output(with memnory)
3.Turbo:2 quick press on the switch
4.Strobe/SOS:3 clicks the switch to go to Strobe,and another 3 clicks will go to SOS
5.Eco:press and hold the switch from OFF
6.Lock-out/Unlock:4 clicks the switch from OFF.Momentary Low is available when pressing the switch.Another 4 clicks or loosen the threads and cut off the electricity to unlock the flashlight.
7.Switch back-lit light ON/OFF:5 clicks the switch from OFF
8.USB Type-C Charging
9.The flashlight can be charged with the built-in USB Type-C charging port, the maximum charging current is 2A,5V/2Aadapter is recommended.
10.When it"s in the charging process, the indicator is blinking and constant on when it"s fully charged.

Low Voltage Warning
The backup light on the button will blink on the green when the battery voltage is 3V;the output will downshift automatically to Low when it"s 2.8V.

About the Battery:
1.Use only reputable 21700/18650 cells of known origin. Quality high drain cells.
2. Remove or recharge the cell when the low voltage indication is given by the Lamp.
3.The extraordinary energy density that the cells offer also means that hazardous conditions are created when a cell is short-circuited or damaged.
4.Always treat cells with respect and properly dispose of damaged cells.

Warnings:
1) Keep away from children.
2) Do not point the light directly ata person, animal, moving vehicles or flamable materials.
3) Do not throw into fire in case of explosion.
4) To charge the battery three months a time if long time no uses.

Package Included:
1 x Flashlight
1 x Manual
1 x Lanyard
1 x Cable