Built-in 8 channel antenna dividers of the receiver, four channels' receivers can be used simultaneity without extension antennas divider. LCD shows clear working status. Advanced digital pilotone locked technology to prevent the interference in the workplaces effectively. Digital column control system, touch buttons for simple setup and operation. The receiver shows the battery status of the transmitter, it's convenient for the control room to monitor the transmitter's battery power in the show. Auto san for channels, the channels of the transmitter and receiver can easily synchronize. Email: baikal_yvonne at