System 3000 motion detector attachment 2.20 m standard anthracite System 55 - Automatic switching of lighting, depending on heat movement and ambient brightness. - Operation with System 3000 switching, dimming or extension unit insert 3-wire. - Extension of the detection area in combination with extension unit 3-wire. - Adjustable brightness threshold. - Sensitivity adjustable in four levels. - When a System 3000 extension unit insert with operating attachment or mechanical button is connected to the main unit, the lighting can be switched on or dimmed for the duration of the run-on time. With System 3000 dimming insert: - Switch on with last set brightness or saved switch-on brightness. - The switch-on brightness can only be saved permanently using the System 3000 extension unit insert with operating attachment.