High power flashlight :

Output modes: one/two/three/five(high/mid/low/strobe/SOS)
Led bulb: Cree XR-E Q5
Lifespan for led bulb: over 50,000hrs, no worry for replacing bulbs often.
Beam color:  White
Lumens: over 1300lms
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Size: L: 205mm D: 55mm (Head)
Net weight: 311g
Driver circuit: High efficiency, stable, constant-current circuit
Working voltage: 5~15V , if voltage is higher than this, it will break the driver and led bulb. It is not covered under warranty .
Battery powered: 2*18650
Running time: 3~4 hours under high output mode
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Reflector: smooth reflector, perfect spot
Material: T6063-T6 aviation aluminium housing, made by CNC machine
Switch: Tail cap switch for on/off, modes converting.
Waterproof: IP-66, anti-living water and rain. (Do not use for diving).
Accessories: Lanyard, gift box, battery, battery charger, car charger