Description: zoom high power head lamp 
Material: aluminum +ABS 
LED: 5W T6  LED
Lux: 300 LM
Battery: 2600 mAH rechargeable battery 
Size: 10*7.5*6cm
Weight: 168g(battery excluded)
Function: 100%-ECO-Strobe 
Using time: 9hours 
Packing: Double blister