The BY-WM8 Pro-K2 UHF Dual-Channel Wireless Lavalier System from BOYA includes a UHF dual-channel wireless receiver, two wireless bodypack transmitters, two omnidirectional lavalier microphones, two microphone clips and foam windscreens, a shoemount adapter, single 1/8" to XLR output cable, single 1/8" to 1/8" output cable, and carrying case. This wireless system can be used to capture audio with two subjects simultaneously for interview, electronic news gathering (ENG), electronic field production (EFP), film, business, and educational applications. Featuring an easy-to-read LCD display, wide switching RF bandwidth, PLL-synthesized tuning and digital companding circuitry, the BY-WM8 Pro-K2 system is equipped with 48 selectable UHF channels and offers broadcast-quality sound. Other features include: selectable stereo and mono modes, mute function, LCD-locked function, receiver headphone output for monitoring, and 300' operation range. Furthermore, the system is powered by AA batteries (sold separately), which offer up to 6 hours of continuous operation. The BY-WM8 Pro-K2 UHF Dual-Channel Wireless Lavalier System is built with easy and flexible wireless synchronization between transmitter and receiver via infrared, so you will always find a clear channel to transmit on. The user-friendly LCD menu screen is quick and easy to navigate, which makes it suitable for quick, clear, and easy operation.