The Saramonic HU9 Digital UHF Wireless Handheld Microphone with Integrated TX Transmitter provides stable, interference free audio in portable, compact and low cost package. This system is a perfect fit for DSLR videography, field recording and interviews, broadcast TV, electronic news gathering (ENG), - or anyone who needs mobile, dependable audio broadcasting and recording. The HU9 system includes the TX transmitter integrated hand-held wireless UHF microphone. Receiving unit sold separately. Hand-held Microphone The Saramonic HU9 is a handheld, wireless microphone transmitter that features a compact, metallic body, an easy-to-read LCD display, a RF power switch and a PLL synthesizer. This broadcast-quality microphone will capture rich, crystal-clear sound. It has a built-in antenna, a muting function and power lock function. The channel of the HU9 is synced up with the receiver via an infrared connection.