Bulb:COB LED

Battery:3.7V 2200 mAh 18650 Li-ion battery

Max output:150 lumens

2 Modes:High-Low-Strobe-OFF

Run time:4 hours(high),12 hours(low)

Rechargeable time:5 hours

Impact and water resistant

Product size:48x38x80mm

It can be recharged by USB line.

Constant current