hammer with flashlight, mobilephone charge, siren & flash, radio, compass, rain proofing, magnetic, safety belt cutting Functions:1. Crank dynamo: 2 hours can charge full2. Built-in Li-ion battery 800mAh 3.7v3. Radio: FM 76-108MHz AM 540-1600KHz, Full power can use 10 hours4. Led light: full power can use 10 hours 5. Have siren for emergency, 5 hours can be use6.Can charge mobile phones by ...