Self-Test, tamper resistant, residential grade GFCI (ground fault circuit interrupter) single pole switch combination. Features monochromatic buttons, self-grounding clip, back and side wired capability, and brass double wipe contacts and clamps. 20 amp feed-through. 2 pole, 3 wire, NEMA 5-15R. Screwless wallplate included. 2 year limited warranty.