EMERGENCY POWER: Portable hand-cranked generator, can be used as emergency power supply. STRONG POWER GENERATION: High power USB charging generator, strong power generation. FEATURES: Solid structure, low noise, stable working performance, compact size, light weight, easy to use. PERFERMANCE: The the hand crank speed, the greater the power. The maximum power is about 20W. WIDELY APPLICATION: 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., Weight: 1.67110394596 Pounds, Manufacturer: KUIDAMOS