Sony Pacemaker CMA-D5 is an AC adaptor designed for use with the Sony AVC-D5 CCD video camera. It provides power to the camera and allows for video and audio output to be connected to a monitor or other recording device. The CMA-D5 also features a DC output that can be used to power other devices, such as a video light or microphone. With its compact size and lightweight design, the CMA-D5 is a convenient and portable power solution for your video production needs.