Nady MGT-16R Miniature wireless instrument system (guitars, basses & violin) &ndash;&ndash; Stompbox style receiver with 16 user selectable UHF frequencies -Right Angled transmitter for surface mounted jacks only No more tripping on cables! Connects your instrument to your amplifier wirelessly. Experience complete freedom of movement while playing. Portable -Take it anywhere! 16 UHF frequencies to match different environments. Compact, portable pedal style MGT-16 receiver with  output jack & volume control - DIP-switch channel selection with transmitter infrared pairing for instant setup. Powered by included DC adapter or two AA batteries (not included) for extra portability. MT-16R transmitter features a 90 angled  plug for surface mounted jacks (for recessed jacks, use the MGT-16A with 30 plug). Up to 8 hours of battery life from a single AAA alkaline. Input level attenuation switch & internal audio level control. Box contents: MGT-16 receiver with dual adjustable  wave antenna, MT-16R instrument transmitter with  wave, permanently attached antenna, AC adapter, manual.