Small Panasonic radio model (RF-P50D) It has FM and AM waves, works indoors and in the desert, its sound is clear surround without distortion. It runs on two AA dry batteries. Made in: Original Indonesian Accessories: Two AA dry batteries available in the market, a hand strap, earphones. It has a feature to detect active thunderstorms in a simple and fun way. You can use the radio as a sensor. Open the radio to the medium wave (AM), set the pointer to a frequency free of channels, then listen. You will hear lightning sounds in the form of crackling or static resulting from electrical discharge in the clouds. These signals can be heard from a distance of approximately 500 kilometers, and are clearer at night than during the day.