This is a satin chrome single socket with a white switch. 

The socket is a double pole 13 amp socket with a white plastic switch. It is from the satin chrome range of sockets and switches by Varilight. 

Type: Socket
Finish: Satin Chrome
Rocker-Insert: White
Gang: 1
Switch Colour: White

Code: XN4W
Dimensions: 90Lx90H (mm)
£6.38 (inc. VAT)