Bulb: COB LED (2W)+1PCS SMD LED (1W)

Battery: 3.7V 750mah (14500) Li-ion Battery

Function: COB LOW-COB HIGH- SMD ON-OFF

Maxoutput: 110 lm (COB) , 60 lm (SMD LED)

Run time: 2 hours (COB) , 3.5 hours (SMD LED)

Charging time:2 hours

Beam distance: 13 meters 

Product size: 152X30X21mm

N.W.:70 g

It has battery capacity indication , when you use it.

Constant Current Circuit design.

Adjustable bracket.