The Sennheiser AVX 835 Combo Set 3 complete system with transmitter, omni-directional capsule, lavalier microphone and handheld receiver and all the accessories to operate out of the box on camcorders and DSLR cameras features a self-configuring digital transmission that eliminates the time-consuming task of setting up the radio frequency. The ultra-compact receiver rotates around the XLR connector to avoid collisions with other devices mounted on your camera. It automatically turns on and off with your camera, saving battery life. The AVX adjusts perfectly to your camera’s input sensitivity without having to adjust the audio level on your microphone. From professional wedding videos to documentaries, street interviews to corporate videos, the AVX works simply by allowing you to focus on creativity.