Small LED Work light battery:800mAh,Working time:4-5hours;MAX Lumes:1000LM
Big LED Work light battery:1200mAh,Working time:4-5hours;MAX Lumes:2000LM
Rechargeable number of times：500 times
Power supply: built-in battery with USB line
Operating Voltage:3.7－5V
Light bulb: 1*COB light strip +1*LED
Light: High COB LED,Low COB LED,LED
material: plastic+metal
Size: Big:14.8*4.7cm
Small:11*3.6cm
