Kohler® DTV+™ switch modules give you the ability to integrate control of bathroom electrical devices with the DTV+™ system, expanding the convenience and comfort of the DTV+™ showering system. Modules allow for wireless control of multiple electrical devices such as bathroom lights, fans and towel warmers. This bridge module is required when using the K-99699-NA on/off switch module or K-99700-NA dimmer switch module. Kohler® Bridge Module, Series: DTV+™, 104 deg F