Hand Power Generation In a power outage, you can generate power by hand. Rotate the rocker clockwise or counterclockwise at a continuous speed of about 130 rpm for 1 minute. This provides lighting for at least 20 minutes and radio operation for 5–10 minutes. Emergency Power Supply The emergency radio can be used as a mobile power source to charge mobile phones, IOS tablets, and other devices. A power distribution indicator shows the real-time battery level. 2000mAh Battery Equipped with a 2000mAh lithium battery, it can replace the backup battery and support solar charging, hand charging, and USB input/output charging. It can be charged anytime and anywhere, reducing concerns about power failure outdoors. IPX3 waterproof. Clear Reception High volume, high power speakers with an internal magnetic mono speaker design provide full sound with a surround feel and bass diaphragm. The 360° rotatable 5-section long antenna delivers clear FM/AM/WB NOAA reception, with a channel indicator. When you rotate to a channel with content, the indicator lights green. Use scenarios During a home blackout, crank to generate light and keep the radio on for information. On outdoor trips or camping, use the radio for weather alerts and charge your phone or IOS tablet via USB. In emergencies or storms, rely on NOAA weather channels with strong reception to stay informed.