Item Type: Hand Crank Generator Material: Alloy Color: Black Power: 30W Weight: Approx. 902g / 31.8oz Package List 1 x Hand Crank Generator 1 x 5.5mm Interface Crocodile Clip Cable 1 x 12mm Interface Regulated Power Cable 1 x 12mm Interface Crocodile Clip Cable 2 x English Instruction 1Hand Crank Generator: This generator is manual hand cranked power generation, can be anywhere, anytime, a constant source of electricity, easy to carry. 2Excellent Performance: This generator is waterproof, shockproof, salt spray proof, and can generate electricity normally in high altitude and low temperature environment. 3Emergency Charging: This generator can facilitate the power supply and charging of various battery products with different voltage requirements, which is very convenient. 4Portable Size: The small size and light weight of the hand crank generator makes it easy to carry and suitable for outdoor camping use. 5Alloy Material: The generator is a die cast alloy housing, which is strong and durable, waterproof and dustproof.