Simply Automated UMC-USB-W Custom Series Computer Interface Module (USB) Computer Interface Module (PN: UMC-USB-W). Easy USB connection with most PCs. 6 foot cable included. Enables PC and powerline communication to configure Simply Automated UPB devices with UPStart software. Once the Simply Automated UPB device configuration is completed  can disconnect the Computer Interface Module. The Simply Automated lighting system can independently control circuits without the Computer Interface Module attached to your PC! UPStart Wizard makes configuring a UPB network and devices simple and easy. Can transmit and receive lighting scene commands with other UPB dimmers, UPB plug-in modules, UPB fixture modules and/or other devices  can control virtually any device that connects to AC power wiring anywhere in the home. To ensure a proper installation your home should be no more than 2500 square feet and have only one breaker panel. A phase coupler is required in some home installations. Not intended for use in multi-dwelling (condo, apartment, duplex) units.