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3. Turn the tail cap clockwise to reattach the tail to the head of the flash light. Battery 4*18650Li-ion batteries (3400 mAh) Size 119 (L)x 119mm(W) x 135.5(H) mm 1050g on land (Include the battery) Weight 240g underwater (Include the battery) Tail cap Unpacking WFS05 Flash light Ball mount O Ring Li-ion battery...
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Operate the light Brightness adjustment(Flash) (OFF state), Press the buttons A and B at the same time adjust the screen On S1/S2 mode ( it does not Flash intensity display synchronization mode) orientation mode (flip screen up and flip screen down), Press and immediately When the gear knob B is rotated to different gears, the guide number will change release the Button A enter the screen mode, Press the buttons A and hold it according to the current gear value to adjust the intensity of the flash.