Dutch Lighting Innovations DLM- 4 Zone ControllerThe DLM 4 Zone Controller is specially designed to set up a Daily Lighting Management system for your Dutch Lighting Innovations fixtures. The DLM 4 Zone Controller can be connected to up to 4 separate zones of DLI lighting fixtures. Each zone can control up to 255 lights and 1 sensor, so in total you can control 1020 lights and 4 sensors. Features of DLM 4 Zone Controller Controls over 1000 fixtures Compatible with all DLI fixtures Easy installation