This is a high-quality electronic apex locator made by Morita. It is a Root ZX II DP-ZX-VL model, manufactured in Japan. The unit is intended for use in dentistry and is sold as a single unit. The brand is well-known in the industry and this product is highly regarded. It is a reliable and accurate tool for dentists and other medical professionals. Fully tested functional. Comes with two sets of holder and one hook. New cable.