Item Weight: 175g Package Dimensions: 15.4 x 11.9 x 5.6cm; 175 grams Item model number: E3 Universal Waterproof Metal 7 Pin Trailer Plug and Socket 12V Type N for Truck, Trailer, Towbar, Caravan or RV. (Enhanced Durability) The 7 pin trailer plug and socket is made of high quality aluminum alloy and cross slotted brass needles with durable housing, which can last for a long time. (Wide Compatibility) The 7 pin trailer connector establishes a secure connection between your trailer and another vehicle, for European standard wiring system, which is an ideal replacement for your old or broken one. (Product Specifications): Material: Aluminum alloy and brass Color: Silver Voltage: 12V DC (Package Included): 1 x 7 Pin Metal Trailer Plug (Rubber Boots) 1 x 7 Pin Metal Trailer Socket (Wiring Configuration): Pin 1 - Yellow Wire (Left/H Turn Signal Indicator) Pin 2 - Blue Wire (Rear Fog Lights) Pin 3 - White Wire (Earth Return) Pin 4 - Green Wire (Right/H Turn Signal Indicator) Pin 5 - Brown Wire (Right/H Tail Light and Number Plate) Pin 6 - Red Wire (Brake Light) Pin 7 - Black Wire (Left/H Tail Light and Number Plate)