From JVC Manual:

RM-V403U Multi-Brand R.A. Edit Controller

By connecting this controller to your VCR's R.A. EDIT connec- tor, you can perform Random Assemble Editing in combination with a second non-JVC VCR. The controller is compatible with various major VCR brands.

International Buyers, Please Note:

Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.
Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.