LED Type: 3528 
Lumens: >750lux 
LED Power: 10W 
LED Colors: Cool White 
LED Modes: Bulb Lamp Mode, Rescue Warning Light Mode 
LED Lifespan: 35, 000 Hours 
Power Source: DC 5V by USB2.0 or Built-In Battery 
Battery Size: BuilT-in 1800mAh Li-ion 
Usage Time: 10 Hours 
Micro USB Port