Etekcity&reg; 4 Pack Wireless Remote Control Outlet Light Switch (Battery included) ZAP 4L: Newest/Smaller Version with a 100ft Range. Works through doors, floors and walls. Easy home automation. Great for lamps, lights, power strips Simple and easy to use, no installation required. Remotely switch on/off any appliance at the push of a button; 30m/100ft range (works through doors, floors, and walls) Learning function allows you to match any remote and outlet to each other regardless of the frequencies Low standby power consumption and built-in child protection; Power input/output: 120V/60Hz, max. 1200W 10A; Low power consumption: 0.6w Outlets remain off after a power outage to save energy; Easy home automation, great for lamps, lights, power strips and appliances Newest version - smaller size only covers one outlet(R&TTE/ETL/FCC approved)