... high efficiency;tempered glass;the illumination distance exceeds 60 meters. 4.Built-in rechargable Li-Battery,large capacity,if the battery ... is full,the system can provide lighting for more than 4--10 hours. 5.Hardness magnesium alloy casing,water-proof,use ... ,light oxidation,in-depth anti-skid treatment,easy to carry Flashlight,LED flashlight,torch,power flashlight,LED light,