1)Lightsources:15pcs of 5730X0.5W SMD LED

2) Build in rechargeable battery(4V,2000mAH)

3) Light-dimmer Function

4)Performance time(At full charge) 30Hours(Low Light) 5Hours(Hi Light)

5)The Led Indicator light will be on when it is charging

6)Auto-off-Function(When the power failture,the LED light can automatically turn on)

7)5V,650mAH USB is available

8)DC12V socket

Lumens:300lm Watt:7.5W