Two-Way Radio Call Box, Band Type UHF, Material Polycarbonate, Channels 1, Output Watts 700 mW, Width (In.) 5 in, Height (In.) 7 in, Length (In.) 3 in, 114 Programmable Channels, 154, No External Channel Select, Battery (3) D Alkaline Batteries, Provides Up to 5000 Transmissions, Operating Range 1 mi, Includes PTT Button, For Use With 1AAK2, 1PA69, 41P010, 41P013, 4RB62, 4RB63, 4YN06, Green