SpecificationsMainly ideal for small power communication station, walkie-talkie, laptop computers, satellite phones, mobile phones, cameras, digital cameras, portable mobile TV, electric tools, all kinds of measuring instruments, portable products such as power supply or batteries. etc. Can be directly charge for the li-ion , nickel metal hydride batteries, lead-acid and other kinds of batteries.Product name: Hand Crank GeneratorShell Material: Aluminum AlloyRegulator Plug: 12mm Aviation Socket +Mini USB Plug + USB 2.0 Plug + 2 x 5.5mm PlugSize: 106x64x39mmPower:30WOutput Voltage:0-28VRated Current:1.5-2ANet Weight: 670g Package Content 1 x Generator 1 x Regulator 1 x 12mm Aviation Socket  1 x Alligator Clip 5.5mm PlugCharacteristic1. Water - resistant. Green color one is with water resistant,black one is without water resistance2. Shock - resistant. The generator is with shock resistant because of the steel metal features3. Aluminum Alloy material & Easy to clean and take care of