RA-RS232 Light Control by Lutron
Radio Ra serial communication interface is a two-way communication device for lighting control. It also provides lighting status to third party integration systems and it works with various home automation products to integrate the lighting system into whole-home systems. Can be used to select up to 15 unique lighting scenes and all on/all off functions. Sends and receives preset commands on a serial communication link. Provides access to security flash and full-on lighting functions. Comes with a 9VAC plug-in transformer.