Features:_x000D_ _x000D_ Portable hand-cranked generator, can be used as emergency power supply. _x000D_ High power USB charging generator, strong power generation. _x000D_ Solid structure, low noise, stable working performance. _x000D_ The faster the hand crank speed, the greater the power. The maximum power is about 20W. _x000D_ Compact size, light weight, easy to use. _x000D_ It can be used in field operations, field trips, rescue operations, natural disasters, survival training, emergency communication, long-term power shortage, tourism, emergency electricity, etc. _x000D_ _x000D_ Specification:_x000D_ Condition: 100% brand new_x000D_ Material: Metal_x000D_ Weight: 758g/26.7oz_x000D_ Power generation speed: 2000 RPM_x000D_ Power generation: about 20W_x000D_ Corresponding voltage and current: 3V/ 6.6A, 5V/4A, 6V/ 3.3A, 9V/ 2.2A, 12V/ 1.6A, 15V/ 1.3A_x000D_ _x000D_ Package List:_x000D_ 1 x Hand-cranked Generator_x000D_ _x000D_ Note:_x000D_ 1. The output voltage of hand-cranked generator must be greater than the set voltage to stabilize the output set voltage._x000D_ 2. Please be sure to adjust the voltage to 5V before using the USB port external appliances._x000D_ 3. Please turn the generator clockwise and do not shake the handle at high speed when connecting the electric appliances less than 3W.