The Nady rugged 151 VR receiver can be camera-mounted or worn as bodypack (with removable belt clip). Promotes easy hook-up to camcorder with supplied connecting cable and is powered by 9V alkaline battery. Features 120dB dynamic range with no background hiss or overload distortion for clear audio communications. Other features include: LED lights indicate low battery and receiver signal, convenient operation with Output Level and Mute adjusts; separate 3.5mm Audio Output and monitor headphone mini jacks; headphone volume thumbwheel control with integrated unit, Off/On switch. Detachable softwire antenna extends from top of receiver. Choice of transmitters: WHT handheld mic or WLT lavalier/headset mic bodypack transmitter. Nady Systems has been designing, manufacturing, and marketing wireless microphones since 1976. One of the first wireless innovators, Nady has sold millions of wireless systems worldwide, and continues to provide some of the most innovative/ highest performing products on the market at the most competitive prices.