The Vidpro XM-W4 delivers ultra-high quality, crystal clear audio designed for professional ENG, EFP and DSLR video. Up to 48 selectable UHF Channels to choose from on a backlit LCD display and compact size for easy concealment while featuring a powerful transmit range - up to 300 feet line of sight. The XM-W4 has a battery life over 6 hours of coninuous operation on 2 AA batteries. The reciver includes input for headphone monitoring while the transmitter featues line-in, mic inputs, selectable mute Includes lav mic, XLR and 3.5mm cables, shoe-mount.