RV Camper Trailer Stop Turn Brake Tail Lights / License Light / Black Base /Pair Incandescent RV Camper Surface Mount Tail Lights with Black Base and License Plate Bracket Pair of Surface Mount Incandescent RV Camper Tail Lights. Black Base and License Plate Bracket. Polycarbonate Black Base with 4 Mounting Holes For Secure Installation. Mounting Holes are Approx. 7" by 2 1/2" Apart. Polycarbonate Red Lens with Reflex Design For Added Visibility. Removable Lens For Bulb Replacement. T3157 Bulbs. 3 Wire Light. White Wire-Ground, Black Wire-Tail Lights, Green Wire-Brake/Turn Signal Lights and Light Also Shines Down On The License Plate When Tail Lights Are On. Base Measures 8 5/8" by 3 7/8". 12V Input. DOT Approved.