This Sony camcorder remote control, model RMT-814, is compatible with several Sony camcorder models including the DCR-TRV520, DCR-TRV310, DCR-TRV38, and DCR-TRV27. It is a wireless remote control with the feature of controlling the camcorder from a distance. This remote control is essential for those who want to capture their footage without being in front of the camera, providing flexibility in filming and avoiding camera shakes. The remote control is in good working order and will be a great addition to your Sony camcorder kit.