The Varilight Value Polar plastic range has a 5mm depth from front to back of plate. Single plate size: 85mm x 85mm Double plate size: 85mm x 146mm 13A Plug sockets: Require a 25mm deep wall box. USBÕs are 2.1A. Rocker Light Switches: 2 way (unless stated as intermediate), 10A rated and require a 16mm deep wall box. Halogen and LED Dimmers: 2 Way. Please check product title for dimmer spec and maximum and minimum load. Require a 25mm wall box. 5 Amp Socket: Require a 25mm deep wall box. Shaver Socket: Require a 47mm deep wall box. Dual Voltage Shaver Socket 240V/115V. Suitable for use in bathrooms, toilets and shower rooms (IP41). 240V accepts British and Continental round pin and Australia flat-pin. 115V accepts Continental two-pin and America NEMA. Cooker Switch: Require a 35mm deep wall box. 45 Amp Double pole. Fused Spur: Require a 25mm deep wall box. 13 Amp Double pole. TV Socket: Require a 16mm deep wall box. TV socket for use with male co-axial plugs. Fan Isolator: Require a 16mm deep wall box. 10A Fan Isolating Switch (3 Pole). Triple pole switching. DataGrid Plates: Clip in any combination of DataGrid modules (need to be bought from us separately). Compatible with all standard Euro data modules (Varilight, Triax, RetroTouch etc). Create your own data combinations. Touch/Remote LED Dimmers: V-Pro IR (infra-red) Dimmers. 0-100W (1-10 LEDs). Require a 25mm deep wall box. V-Pro intelligent dimming technology. Touch control or remote control from dedicated handset (not included, Varilight YRC8 can be bought separately), or can use a spare button on an existing handset (e.g. TV remote). 1-way or multi-way when used with V-Pro IR dimming unit(s). Soft start feature and intelligent overload protection. Touch s: Can not be used on their own, must be used with a master dimmer to make a 2 way or multi-way circuit. Require a 25mm deep wall box. _light switch