rechargeable led bike light

Specification
*LED Type: CREE XM-L T6
*Max output: 1600LM 
*Beam: Smooth Peel Reflector for flawless beam 
*Lens: Anti-shattering ultra clear lens, anti-scratching and anti-slip 
*Finish: HA II
*Waterproof: IPX7 
*Modes: Max-Min-Strobe 
*Battery: 4*18650
*Circuit efficiency: 92% 
*Size: L 43mm (1.69'') *D 54mm (2.13'')

Operation:

Press the tail switch once and the light will turn on. With the light turned on, press the tail switch,the brightness level will switch between four modes (Max,Min,Strobe,Off)
Remove tail cap, insert the batteries with the positive ends toward the head of the light, replace the tail cap.

Output & Runtime:

Max output of 1200 lumens for approximately 4 Hours
Min output of 100 lumens for approximately 40 Hours
Note:Stated brightness and runtime figures are based on tests using 4PCS 18650 Li-ion batteries under laboratory conditions. Variances in these figures will occur depending on batteries used and individual usage habits.