Function and Characteristics (1)The hea lamp adopts LED luminotron that needn't to be exchanged for life as its pulp.It is characterized by long using life,little electric consumption and is light. (2)The self-charging-control integarted circuit inside the head lamp can operate the whole charging by itself. (3)With the energy-saving LED pulp and high-energy lithium ion batteries,it makes the head lamp small volume,light weight(about 110g).The batteries can be charged for more than 500 times and it can illuminate for 18 hours after being charged once. (4)The shell of the head lamp adopts ABS plastics cement that is light and durable to use.The head lamp is also water resistant.