Hand Crank Generators, Household High Performance Emergency Portable Generator- Portable handheld power generator and rechargeable back-up power supply.- High quality metal housing and bearing, non-slip foot pad, more stable, more comfortable to install, with internal energy storage function; normal power generation at high and low temperature.- Voltage / current: 3V / 6.6A, 5V / 4A, 6V / 3.3A, 9V / 2.2A, 12V / 1.6A, 15V / 1.3A (the current is an unloaded current connected to different products and the load current changes after charging).- Revolution speed: 2000 rpm. Maximum power: 20 W. Size: 179 x 92 x 84 mm. It can be actively used in field operations, field work, field examinations, rescue operations, natural disasters, survival training, for emergency communication, long term power short circuit, tourism, emergency power, etc.Features:Manual crank generator, a nice helper under emerging circumference.Energy-saving, environmentally friendly, and it has many functions.Multi function: Can be charged for mobile phone, USB night light, USB fan, power bank.Metel outer housing durable, non-slip foot pad stable, high-quality bearing, effortless and time-saving.Small and exquisite, convenient to assemble, easy to carry and with internal power storage function.Practical, suitable for use on site, field operations, excursions, rescue actions, natural disasters, survival training, emergency communication, long-term power shortage, tourism, etc.Specifications:Material: metal.Colour: Blue.Maximum power output: 20 W.Rotational speed: 2000 rpm.voltage / current: 3V / 6.6A / 5V / 4A / 6V / 3.3A / 9V / 2.2A / 12V / 1.6A / 15V / 1.3A.Box contents:1 generator.1 handlePlease note:The faster the rocker performance, the higher the production power and voltage will be. Set the generator output voltage higher than the setting voltage to regulate the output voltage. Please set the voltage to 5V before using the USB interface.