The Shure is a professional dual channels wireless microphone with two mic handle and it covers a, wide range w ith volume control in each channel, for easy use with multiple systems, no confusing frequency groups. It can be placed next to speakers with no feedback or distortion. It comes with a receiver and two Wireless microphones, the receiver has two antennas for strong steady signal, backlit LCD display , changable frequency and mute status. Automatic transmitter setup, The channel of The transmitter and receiver can easily synchronize. The two handheld microphones has backlit LCD screen signal, The mics use two AA batteries each. The two Microphones can be used at the same time. it has individual volume control on each channel. Designed for big events, big church, Hall, Field, etc. Battery life is long (AA batteries )Wireless Range is long distance Professional wireless microphone designed for big events, big Churches, field events, hall/conference, etc. Professional wireless microphone designed for big events, big Churches, field events, hall/conference, etc.