Feature: 1. ELECTRONIC CHARGER: Portable hand operated power generation, and used as a rechargeable emergency power source. In any corner of the world without mains and oil power generation, can be manually powered to supply all kinds of electronic products 2. APPLICABLE SCENARIO: The generator can be applied actively in field, field operation, field investigation, saving action, natural disaster, survival training, emergency communication, power shortage for a long time, tourism, emergency power and so on 3. STURDY MATERIAL: The hand generator features a blue aluminum alloy case, silver stainless steel rocker, silver aluminum alloy handle, silver stainless steel button, black aluminum alloy light 4. HIGH POWER: Hand crank generator with a three phase brushless DC motor capable of generating enough power, super Farrar capacitors, and storing energy 5. EXCELLENT PERFORMANCE: Hand crank generator is made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stability Specification: Item Type: Hand Generator Material: Aluminum alloy Capacitance: 3 x 20F Output Power: 3W(5V 0.6A shaking speed 2rps) 4W (5V 0.8A shaking speed 3rps). Package List: 1 x Hand Generator