Partsam 2Pcs 7" Round White LED Backup Lights 17 LED Marker Clearance Running Lights Surface Mount for Transit Vehicles Bus Truck Trailers

7"" Diameter round waterproof Led transit light 17 LED acts as backup/reverse light, marker light, running light etc.; Surface mount to trailer with mounting gasket; 3-Wire design hardwires to trailer; 4-hole surface mount with Inner reflectorized lens; Hole to Hole Mounting Space: 6-1/4"" Inch;. Wire Connection Tips: White Wire - Ground, Red Wire - Backup/Reverse Light , Black Wire - Running/Marker Light;. The light is DOT (Department of Transportation) compliant for street legal lighting making it a great choice for your light needs;. The waterproof construction of this light makes it ideal for use on trailers that may be submerged, like a boat trailer. The housing and lens are sonically sealed together to create a single unit, which means that water will not get into the light and damage the diodes or circuit board;. Great for transit vehicles like School buses and refuge haulers, Also compatible with almost All automobiles and devices equipped with a 12-30 Volt DC power source such as Semi Truck, Semi Trailer, Service Truck, Bus, Service Van, Utility Truck, Enclosed Trailer, Utility Trailer, Boat Trailer, Parade Float, Horse Trailer, Utility Trailer, Pick Up Truck, UTE, UTV Peterbilt, freightliner, international, mack and lorries etc