The FRX4 is equipped with an LED flashlight and beacon, AM/FM NOAA weather band radio, glow-in-the dark locator, and USB port to charge your smartphone. Easily slipped in a backpack or glove box, there is not a more efficient product on the market.
The FRX4 charges in four ways; 1. Large, built-in solar panel 2. Internal rechargeable lithium battery 3. Hand turbine crank 4. 3 alkaline batteries.