Brand New Replacement Exposure Switch Kit Designed to replace several types of wall-mounted X-ray machine exposure switches, this unit features a standard 2-button configuration for compatibility with most systems. Included: Remote Exposure Switch with Cord 2-Wire Conversion Dongle for easy integration with existing exposure switches This is a direct plug-and-play replacement for the following panoramic X-ray machines: Gendex 8500 Planmeca Promax Note: This product is manufactured by YES Dental Parts and is not an OEM part.