Switchmate: One-Second Installation Smart Lighting, Rocker, Ivory Instantly snaps over existing light switches Automatically turns on lights as you arrive home or enter rooms Timers- turns lights on/off automatically even when youre away One-second install: no tools or wiring Phone & Wall switch control Portable  take it when you move Customer service number: 1-800-736-7948 Hours 8AM to 6 PM Central Time