2-Way Radio Walkie Talkie --- Small size makes it convenient to carry around, even for smaller handsFeatures: Free calls, simple operation, compact appearance. 38 groups of simulated dumb voice. (can be encrypted) 0.5W, civilian safe frequency, without interference without radiation. 10 different call melodies, with a flashlight, key lock function. 3 Levels hands free (VOX) capable, with monitor function, channel scan.Specification: Rated voltage: DC 3.6V-4.5V Modulation mode: FM modulation Usage frequency: 409MHZ/446MHZ/462MHZ/476MHZ Channel: 8/20/22/80 Transmitting power: 0.5W Call distance: 6 km to open, the city of 1~2 km, dense buildings in the area of 500 meters Battery use: 3x No. 7 dry batteries (Not Included)Package Contents 2x Radio Walkie Talkie (Battery Not Included) 2x USB Cable 2x Belt ClipPromiseIf the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.