400 W, 2-wire, leading/trailing edge phase dimmer 3-400 W with lamp-saving soft start/soft stop. Simple and clear operation with 2-button operation. Separate extension input for conventional normally open buttons for switching and dimming. 3-150 W for dimmable LEDs and compact fluorescent lamps, 3-400 W for incandescent and high-voltage halogen lamps, 3-400 VA for low-voltage halogen lamps with conventional (iron core) transformer and electronic ballast. Load type: R, L, C., - 2-wire connection (without neutral conductor), - screw terminals