Window Breaking Multi-Function Safety Hammer Car Emergency Tool for Survival

Window Breaking Multi-Function Safety Hammer Car Emergency Tool for Survival Competitive Advantage: 1. Charging method: By USB/ By Crank Dynamo 2. Safety hammer, emergency can break glass, get out safely 3. Mobile charger in outdoor 4. Compass 5. Patent Description: Functions: 1. Crank dynamo: 2 hours can charge fully 2. Built-in polymer lithium battery 800mAh 3.7V 3. Radio: FM 76-108MHz AM 540-1600kHz, Full power can use 10 hours 4. LED light: Full power can use 10 hours 5.