This electronic light dimmer / switch is especially suited for installation in conventional installation panels and may, against conventional latching relay, while retaining the usual diffuse function replacement or used for new installations. The bulbs can be connected via "normal" in the usual electrical sensors switched and dimmed. Type B: —–> When switching off, the last selected brightness value will be saved and automatically re-set when switch on again! Through a quick press of the button is on or off. The brightness control is cycle basis. With output for a key. Additionally, the dimmer has a soft start function. Technical data: Power supply 230V/50Hz, lamp capacity 40 – 300 W. Dim. 90 x 71 x 35 mm. Not suitable for electronic transformers!!