Bulb: COB LED (5W)+1PCS SMD LED (1W)

Battery: 3.7V 4400mah Li-ion Battery

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

Maxoutput: 420 lm (COB) , 45 lm (SMD LED)

Run time: 3 hours (COB) , 25 hours (SMD LED)

Charging time:4.5 hours

Beam distance: 25 meters 

Product size: 217x57x29 mm

N.W.:284 g

It has battery capacity indication , when you use it.

Constant Current Circuit design.

Adjustable bracket