No battery required. This hand-cranked emergency radio uses manual power generation to operate without an external power supply, keeping you informed when power is out. Emergency survival tool for outdoors and disasters. Ideal for outdoor adventures such as camping and mountaineering, as well as in sudden natural disasters. It provides survival signals and increases your chances of being located and rescued. Emergency standby for crises. A reliable tool during power outages, earthquakes, and other catastrophic events. Use it to receive important messages and up-to-date information when traditional communication is unavailable. Multi-function design. Not just a radio: it also includes a lighting lamp and rapid charging for mobile phones. One device serves multiple essential needs. Use scenarios - Outdoor trips: camping or hiking. Stay informed, signal for help, and keep small devices charged as needed. - Home emergencies: during storms or earthquakes, listen for updates and use the built-in light to illuminate your space. - Preparedness kit: keep in your vehicle or home kit for quick deployment in disaster situations.