Flicker adjustment: “white cross” screw, Must be used in combination with dimmer power supply Active two-wire connection only - no neutral required. Switching on the change possible in combination with a chaniver switch Soft start, the time from minimum to maximum brightness is about 3 seconds. in protection against overloads, short circuits, overcurrents, overheating. Electronic protection against short circuits with permanent shutdown after 7 seconds on the last; Electronic overheat protection, 120 off, automatically opens below 120 Flashing light of connected lamps due to exceeding the specified minimum load or centralized impulses from control units. This does not represent any defect of the device.