The Azden 310HT Camera-Mount Wireless Handheld Microphone System is a powerful yet affordable UHF wireless microphone system for camera-mount applications. The system consists of Azden's 35HT handheld microphone transmitter and 310UDR camera-mount diversity receiver. With a feature set that includes 188 user-selectable UHF frequencies, pivoting high-gain diversity antennas, and an LCD digital display, the 310HT is designed to meet the demands of consumer and professional video applications alike. The 310UDR receiver features main and headphone monitor outputs, and a removable shoe mount. Both the transmitter and receiver operate on AA alkaline or rechargeable NiMH batteries (available separately).