ZJchao(TM) 5.8G FPV 600mW Video Audio Transmitter TX 5KM 5000m + 5.8GHz RX Receiver A/V 5.8GHz long-range FPV system works up to 5KM (line of sight) Powerful 600mW 32CH video transmitter & receiver w/ digital display Provides an optimal image resolution using any monitor or screen Remembers the very last frequency band and channel used Buttons for both channel-switching & band-switching