13A switching capacity per socket & up to 25 metres range Supplied as a complete pack with one transmitter & four onoff receivers Great for those hard to reach sockets & even works through walls Easy to switch off appliances on standby to help save the environmnent & you money On off button to manually operate devices These great remote sockets operate on 433 Mhz radio frequency to enable you to remotely control up to four separate mains-powered devices. Each pack is encoded the code is set by DIP switches so there is no danger of interference or conflict with someone using the same product in your vicinity. A 25 metre range in open air provides a truly flexible solution to operating difficult to reach sockets with ease. Two sockets will fit side by side into a double wall socket & can also be used in conjunction with a standard extension lead surge protector. Please note that the sockets do not have a dimmer function & are not X10 compatible. The remote transmitter is powered by one PP3 9V battery supplied & replacement batteries are available Order Code AR46A.