433MHz Remote Control Smart Socket Power Strip Plug Universal EU Wireless Home Light Switch AC Outlet Frequency Distance:20M-500M (please notice that is the ideal distance without any block and signal interfere , it would rise and fall about 10%-50% with the block and signal interference ). Description: 100% brand new and high quality. Remotely control hard-to-reach appliances and devices without built-in power ON/OFF switches at the push of a button Eliminate wasteful standby power and reduce energy use; save on your electric bills and extend product life The remote control power sockets are ideal for use with a wide variety of home electrical appliances The remotes are easy and safe to operate and have a manual on/off switch. Use one transmitter to match more socket receivers or program more than Specifications: Product Name: smart home energy saving socket Product Material: Fire ABS material Socket size: 53*53*53 Socket Specifications: EU plug, Working Voltage for socket: 110V-230V~/50Hz/60Hz Operating temperature: -40 ~ 80 Working frequency: 433MHz Work: self-locking, interlocking (adjustable) Remote control distance: 30-50 meters Instructions: All remote controlled socket units have been pre-programmed and can be used immediately. To re-program the remote control transmitter and socket receiver, please follow instructions below. 1 Plug the remote controlled socket to a power point and turn the power on. 2 Press and hold the Learning button on the right or above the socket receiver for about 5 seconds until the LED is flashing. 3 Release the learning button and press the preferred on or off number button of the transmitter. 4 Programming successful when the LED indicator stops flashing. 5 The remote controlled socket is now ready to use. 6 Remote set up only requires one-time programming. Cleaner method: (need to change the working method, please clear the code first) Long press the learning key for about 15 seconds, the learning indicator light from on to off, show the success of clearing code. Package Included: A: 1x Transmitter(with battery) 1 x 220V AC Power Socket Adapter B: 2x Transmitter(with battery) 1 x 220V AC Power Socket Adapter C: 1 x 220V AC Power Socket Adapter