The Sony RMT-V231B VCR Remote Control is designed specifically for use with Sony VCR models such as the SLV-688HF, SLV-777HF, and SLV-778HF. This original remote control allows for convenient wireless operation of your VCR from a distance of less than 5 meters. With its sleek black design and wireless connectivity, the Sony RMT-V231B is a reliable and user-friendly option for controlling your VCR from the comfort of your living room.