Lee Electric 209DN 600. www.amazon.com
A Guide to Common Household Switches. Learn about common household switches that turn your lights on and off, dim them, and even control them from more than one location in your home. www.thespruce.com
Switchmate lets you make your household lights 'smart' without expensive rewiring . Switchmate, developed by Californian electrical engineers, acts like a robotic finger to turn switches on and off. It can be attached to existing light switches using a magnetic fastener. www.dailymail.co.uk
Switchmate Smart Light Switch Controls Lights Wirelessly With No Installation . This Bluetooth smart light switch fits over an existing switch so you don't need to do any wiring. www.electronichouse.com
