Detailed Product Description led headlamp AST-ZY-071.Led brightness:13000MCD2.Led life: 100.000hours3.Adjustable strap and the angle of the light4.Weather proof,oilproof,waterproof and small size5.Using 3pcs of AAA battery6.It can be used in three ways, 1pc LED-ON( can last 200hours), 3pcs LED-ON( can last 80 hours) or 7pcs LED-ON( can last 20hours)7.111g/pc,double blister card8.100pcs/ctn, 56.5* ...