Dear customer, if you have any questions after receiving the goods, please feel free to contact us. We will handle it as soon as possible. Thank you for your support.1. Essential for emergencies: It comes with a built - in 10000mAh rechargeable battery, which can charge your mobile phones and tablets in case of emergencies. This emergency weather hand - crank radio can reliably receive the latest emergency weather forecasts from NOAA and AM/FM radio stations. 2. Portable emergency radio with an ultra - bright flashlight: It has 3 modes, including a reading light, an SOS alarm. The hand - crank and solar panels can charge the battery. The 48 - LED reading light is paired with a 20 - LED flashlight. There are 3 charging modes: The emergency radio with a built - in 10000mAh polymer battery can be charged not only via a USB Type - C cable but also powered by the crank and solar panels, ensuring you can use the radio crank normally in emergencies. 3. Emergency flashlight and ultra - loud SOS signal: This solar radio is equipped with 3 LED flashlight modes and a 1.3W reading light. It has an SOS alarm and a compass. The SOS alarm can trigger a loud alarm that can be heard from a long distance to quickly attract attention and seek help. You can quickly get the daily weather forecast just by turning the knob, no need to rotate it up and down. The FM/AM radio has good reception (AM: 520 - 1710 kHz, FM: 87 - 108 MHz, NOAA: 162.400 - 162.550 MHz). 4. Compact and waterproof: It is compact and practical (160 x 90 x 80 mm), weighs 500 grams, and has an IPX3 waterproof rating, protecting it from splashes at an angle of 60°. It doesn't take up much space when stored and can be carried in any bag or wallet.