1.Hand-pressing for power 2.led pressing flashlight,dynamo flashlihgt 3.Attach with line,easy to carry ... 26mmWeight:86gmaterial:plastic ABS shell,using ROHS materialhand pressing charging,no batteries needed,cranking for power generaiton,long life workingcustomer's logo ... LED sensor light,LED working light,LED torch,LED flashlight,Led dynamo flashlight etc.We are committed to offer quality product at ...