Specification:

Material: Aluminum alloy 
LED: 1 * LH351D
Luminous flux: 800lm
Brightness memory: Yes
Battery: 1 * 18650 flat head without protection board (Not included battery)
Colour: Black
Waterproof rating: IPX4
Switch type: electronic switch (with standby current)
Charging port: TYPE-C charging interface, charging current 1A, the product does not include a charging cable.
Reflector type: orange peel
Lens: ar-coated glass
Size: 24.5mm (diameter), 109mm (length)
Net weight of the flashlight: 80g (without packaging, batteries, headlight straps, and holding clips)
Product gross weight: 160g

Package included:

1*H2 Flashlight

1*Headband
1*Holding Clip

Mode operation instructions:

1.click the button ——> flashlight is turned on with last brightness ——> press the button,brightness ramping up ——> release and press the button again,brightness ramping down

2.flashlight off, press the button ——> moonlight mode 0.01A (0.2%) [This brightness will not be remembered]
3.flashlight on or off, 2-click the button ——> turbo 100%
4.flashlight off,3-click the button ——> strobe
5.flashlight off,4-click the button ——> tactical mode, only 100% ,4-click the button again to quit tactical mode.
6.flashlight off,5-click the button ——> voltage detection (* means 'flash' , *** stop******* means 3.7V, )
7.flashlight off,6-click the button ——> normal ramping mode switch to 4modes 1%-10%-40%-100%
8.flashlight off,10-click the button ——> Lock mode,The flashlight will flash once under any operation, which means the flashlight is locked.10-click the button again to quit lock mode,Please note that this is the only way to unlock.

The flashlight has low voltage protection and temperature control protection.