4 Handheld Wireless Microphones: Each transmitter mic features a digital display screen indicating frequency and a battery level gauge.4-Channel UHF Receiver: A rack-mountable base unit equipped with individual volume knobs (potentiometers) and independent digital status screens for each channel.Ultra-High Frequency (UHF) Operation: Provides stable, long-range wireless connectivity with reduced interference compared to standard VHF or 2.4GHz bands.