Etekcity 4 Pack Wireless Programmable Remote Control Outlet Switch Sockets Plug One Remote 100ft Range Smaller Size for Lamps Lights Power Strips Battery Included Simple and easy to use, no installation required. Remotely switch on/off any appliance at the push of a button 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; Outlets remain off after a power outage to save energy 30m/100ft range (works through doors, floors, and walls); Easy home automation, great for lamps, lights, power strips and appliances Newest version - smaller size only covers one outlet(R&TTE/ETL/FCC approved)