The JVC Professional RM-LP100U is a compact, handheld remote control unit designed for wireless operation of compatible JVC professional camcorders, such as those in the GY-HM series. This controller enables a single operator to manage basic camera functions—including start/stop recording, zoom control, and manual focus—from a distance, providing greater creative flexibility and operational efficiency. It is particularly useful for solo filmmakers, documentarians, and event videographers who need to position the camera in hard-to-reach places, on a jib, or in a fixed position while maintaining control over the shot. The wireless functionality removes the constraint of physical tethering to the camera.

The RM-LP100U typically communicates with the camera via a wireless receiver module that attaches to the camera's accessory shoe or dedicated port. The controller itself features ergonomic buttons and control dials, with a layout focused on the most essential shooting commands. A prominent record button, a rocker or dial for smooth zoom control, and often a focus adjustment control are standard. The unit is powered by internal batteries and is designed for comfortable handheld use over extended periods. Its range is sufficient for most practical shooting scenarios within a line-of-sight environment.

By offering reliable wireless control over key camera functions, the JVC RM-LP100U expands the creative possibilities for camera placement and movement. It allows operators to become part of the scene they are shooting, trigger recordings from a natural position, or make subtle adjustments without touching the camera, which can be crucial for maintaining shot stability or capturing candid moments. It is a practical and powerful accessory for enhancing the versatility of JVC's professional camcorders.