22 preset channels with privacy codes for minimizing unwanted signals from others; Waterproof and dustproof (IP67) ; VOX allows for hands-free use, automatically transmitting when user speaks ; Shock-resistant–can withstand 6.5 ft. drop; Bundle includes 2 radios, 2 headsets, 2 Li-Poly rechargeable batteries, 2 holsters, dual charging base, micro USB cable, and wall adapter;