Come and see our amazing products. The hand-cranked mobile power supply is made of ABS material, with three charging methods, hand-cranked, solar, and DC charging. It can charge two devices at the same time, with SOS function and three-level brightness LED flashlight, each port has a silicone dust cover. If overvoltage or short circuit occurs, the system will automatically shut down for protection. It is a necessity for traveling, camping, and participating in activities. Pls confirm with us about the packing info, stock color and exact production time before placing your order.