BuIb: 20W COB LED       
Battery: 4400mAh 18650 battery       
Lighting Modes : High-low- SOS-strobe
Run time: 4hour(high stage)
Brightness: 1400Lms         Input: 5V 3.6A
Output: 5V 3.6A
Size: 24*20.5*3.5cm