Manual crank generator, a nice helper under emergent circumstance. Energy saving, environmental friendly, and it is with many interface type. Multi-function, can charge for cellphone, USB nightlight, USB fan, power bank. Metal outer case more tough, anti-slip foot pad more stable, vintage bearing, effortless and time-saving. Small and exquisite, convenient to assembly, easy to carry, and not with internal power storage function. Practical, suitable for being used in , field operations, field trips, rescue operations, natural disasters, survival training, emergency communications, long-term power shortage, tourism, etc. Model: F20 Max Power: 20W Rotating Speed: 2000rmp/min Voltage/Current: 15V/1.3A Output Voltage: Max 28V Item Size: 19.5 x 17 x 8cm / 7.68 x 6.69 x 3.15in (Due to different batches, the labels may be different, which does not affect the use) Material: Metal Color: Blue Package Contents: 1 * Manual Crank Generator kit 1 * Spare manual joystick Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.