1、Establish a secure connection between your trailer and power supply 2、Provide connections for indicators, side lights, brake lights and fog lamps 3、An essential item for safer driving 4、Metal cover and rubber port, durable and reliable 5、Universal fit for 24V commercial vehicle, semitrailer and trailer Features: Establish a secure connection between your trailer and power supply. Provide connections for indicators, side lights, brake lights and fog lamps. An essential item for safer driving. Metal cover and rubber port, durable and reliable. Universal fit for 24V commercial vehicle, semitrailer and trailer. Specifications: Material: Metal Color: as picture show Input: 24V Package Weight: approx. 169g Wiring Configuration: Pin 1 - White Wire (common return) Pin 2 - Black Wire (reserved for future allocation) Pin 3 - Yellow Wire (reversing light) Pin 4 - Red Wire (permanent power supply) Pin 5 - Green Wire (sensing device with common return) Pin 6 - Brown Wire (power supply controlled by ignition switch) Pin 7 - Blue Wire (rear fog light) Package Included: Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.