Available as a Single Mix (GXLIEM), Dual Mix (GXLIEM2) or Quad Mix (GXLIEM4) Transmitter Base Station System. 16 Channel Frequency Agile Performance. High Dynamic Range for Outstanding Fidelity. High Contrast LCD Display. Battery Life Indicator on Bodypack Receiver. Operates in 900 Mhz band free from TV and FCC regulatory issues. Advanced Dipole Antenna technology on the Bodypack receiver for increased operating distance. All Metal Transmitter Chassis for shielded operation. AA Battery Life of >10Hrs of operation. 2 Year Warranty