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A power indicator located on the top of the tailcap will notify you of the battery level and when it’s done charging. Fully press the tail switch to power the light on or off. While the light is on, perform a half-press to cycle through four different brightness levels for daily tasks.
AIMWIN ET4 – Ultimate Performance in a Compact Pocket Monster. It is a pocket-sized beast built for those who refuse to compromise on power. 1 x AIMWIN ET4 High-Powered Flashlight. Never worry about buying external batteries again.