Saramonic UwMic9 96-Channel UHF Wireless Lavalier Microphone System Two Transmitters and One Receiver for DSLR & Camcorder Video Reliable, broadcast-quality audio Wireless transmitter with lavalier microphone UHF Frequency Range: 514 MHz - 596 MHz; 96 selectable channels in 2 groups Operating Range: Over 330-feet (100m) in open areas or 200-feet (60m) with obstacles Easy-to-read LCD displays