Various frequencies can satisfy your radio needs anytime, anywhere. FM: 87-108MHz AM: 520-1620KHz Real-time monitoring of conditions in different areas through multiple channels, there is a clear LCD screen on the front of the radio displaying the channel and volume; At the same time, the front indicator light displays the charging level, signal, and battery level. The 4000mAh large rechargeable radio is designed with 4 charging methods: hand-crank charging, solar panel, USB Type-C charging, and 3 AAA dry batteries (not included). No matter what, charging is easy. Full charge takes 2-3 hours. Additionally, the radio can provide emergency power to your mobile phone (recommended for emergencies only). The LED flashlight has 3 levels of adjustable brightness, allowing you to achieve night lighting. There is also a reading light on top for easy reading in the dark. There is also a 3.5mm headphone jack on the side, allowing you to use the emergency radio to provide SOS alarm function. Just press the "SOS" button, the radio will emit a loud alarm sound and the LED indicator light will flash.