Leading/trailing edge 40-400W with automatic load detection - Extension operation (switching and dimming) with several conventional buttons (cable length max. 50 meters) - 3 operating modes (standard, light value, snooze). When the 33% light value is called up, the snooze function starts: within an hour, the light is completely dimmed and switched off. - Freely adjustable memory function, i.e. the last light value switched on is activated when switched on again. - When the power returns (power failure), the last set light value is activated. Leading/trailing edge 40-400W for incandescent and HV halogen lamps, 40-400VA for LV halogen lamps with conventional (iron core) or electronic transformer. Load type: R, L, C (not suitable for mixed load operation L + C) - 2-wire connection (without neutral conductor). For use with cover Order No. 77xx 86