Product Features:1. Can Dynamo or external power charger， dynamo for 1 minute， external power supply charge 5 minutes2. Built-in high-performance AC motor DC3. Comes with green LED lights4. The emergency charger for mobile phones5. With FM radio， radio signal sensitivity， playing loud6. Has emergency alarm sounds for disaster prevention emergency call for help?Technical Specifications:1. Shell Material: ABS plastic plus PS2.LED lamp specifications: Diameter 5MM; LED lamp beads brightness: 8000 ~ 12000MCD;3. Motor type: AC motor 6.0V 600mA.4. Battery type: Ni-Cd 2 / 3AAA 200mAh 3.6V.5. Hand 3 minutes (120 rev / min):a) lighting available in 25 minutesb) Radio is available 10 minutesc) alarm available 5 minutesd) the phone to answer 20-40 seconds， standby up to 10-20 minutes?Product Dimensions: 14.5 * 6.5 * 4.5 cmWeight: 167 g