Manual control unit for up-to 25 lights. : DALI-2 control device for installation in standard flush-mounted boxes. Rotary knob for manual light control. Up to 4 control devices can be connected in parallel to set up several control points. Automatic synchronization between control points. Number of DALI lights per control unit: up to 25. Cable length of the DALI control cable: up to 300 m. : Simple, intuitive operation. Manual dimming, switching and saving of light settings. Individual adjustment of the brightness level. High quality glass cover. Behavior after power interruption can be set. Mains powered (active mode) or DALI powered (passive mode) operation. Compatible with LEDVANCE VIVARES DALI light management system (LEDVANCE DALI luminaires). : One-room solution for up to 4 access areas. Meeting and conference rooms. Restaurants. Shop lighting. Private homes. : All electrical connections must be made by a qualified person.. Disconnect mains before installation..