GRAFIK Eye 3000 Series - Specification Grade 4 Scenes and 2, 3, 4, or 6 Zones, expandable to 16 scenes and 48 zones. Can link up to 8 GRAFIK Eye Control Units (8 addresses) for up to 48 zones Up to 16 Accessory Controls for total of 24 control points Built-in Infrared Receiver/Optional Infrared Wireless Remote Control Can increase individual zone capacities to 30,000 W/VA at 120V/277V Power Interfaces are necessary for Fluorescent (GRX-FDBI) and Electronic Low Voltage (GRX-ELVI). Power Interfaces are not required with HP 2-4-6 Dimming Module. GRX-TVI– Provides a 0-10V output that conforms to BSI 929. Can be used to switch all lighting loads, including metal halide and electronic ballasts. If switching other non-lighting loads, use a relay by others.