Bulb:COB LED+1 pcs SMD LED
Battery:3.7V 4400mAh Li-ion battery
Max output:420 lumens
Run time:8 hours(low),3 hours(high)
Rechargeable time:4 hours
Impact and water resistant
Magnet in the bottom and hook in the back
Using it as flashlight , it can run 35 hours.
The max output is 30lumens.
It has a USB rechargeable port,so you can
charge it by USB line.