20W Emergency Miniature Electric USB Generator Charger Portable Hand Crank Dynamotor for Outdoor Camping Survival SuppliesFeature:1. Portable hand-operated and rechargeable emergency power supply;2. The hand-cranked generator can be actively used in emergency communication, long-term power shortage, tourism, emergency power consumption, etc. The faster the shaking speed, the greater the power, and the crest power is about 20W. Specification:Main body material: stainless steelProduct color: blueProduct size: about 127x88x86mmProduct net weight: about 800gPrecautions:The generator output voltage must be greater than the set voltage in order to stabilize the output set voltage. When using the USB port for external electrical appliances, be sure to adjust the voltage to 5V first. Please shake the generator clockwise, do not shake the handle at high speed when ing electrical appliances less than 3 watts. Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 X Generator