The CRC1301 Stand-Alone Programmable Controller (SPC) is the main processing device of the NexLight 2-Wire Low Voltage Lighting Control System. This device integrates the functionality of System Controller, Time Clock, BMS Integration, Web Server, and Programming all in one. It can be used to monitor and control multiple systems in a building, across a campus, or anywhere in the world. Small to medium sized applications are easy to create, monitor, and control with this device that controls a total of 64 relays or dimmers. This device can integrate with the IPC to provide a solution for all of your control needs.