EASY TO INSTALL: White Wire - Ground; Red Wire - high brightness; Black Wire - low brightness. Thin, low-profile stop-turn-tail light bar combo, Each red light bar has 11 Super Diodes for a Bright Performance and can be mounted horizontal, vertical or at an angle, slim design for use where space is a narrow Specs: Brand new, waterproof, Super bright Red LED Surface Mount, Sealed 15 light Each light has 11 Super Diodes for a Bright Performance. Partsam 1Pc 15 Inch Smoked Red Trailer Tail Light Bar 11 LED 15 Led Partsam 2PCS Red 15 RRF12 11 LED Trailer Light Bar Sealed Stop Turn Tail Park Third 3rd Brake Light Truck Trailer Marker Id Bar Waterproof Dot Compli B5ce5bd1 F14a 442e Bd58 2b3e77343657.cf251432d80e6df55163a9d01c76063d Each light has 11 Super Diodes for a Bright Performance; Polycarbonate lens is sonic welded to the housing. Upgrade your vehicle with Partsam's waterproof 15" 11 LED light bar. Perfect for stop, turn, tail, and brake functions. Shop now on Djibouti They have 2 screw holes for mounting Comes with a Polycarbonate Lens with All Weather Housing for durability Convert your old incandescent lights to more modern LEDs., Dimensions: 15., 5 x 1., 25 x 0., 5 Hole Center to Center is 14-1/2 Voltage:12V 3 Wire Connections: White Wire - the Ground Red Wire - high brightness, 100% brightness Black Wire - low brightness, 50% brightness Product includes: 1 x 15 inch 11 LED Red stop, turn, tail and brake light bar Functions as Clearance, Side marker or identification light, stop, turn, tail and Backup Reverse light These light bars have 3 wires for ground, Backup, Stop,turn and tail light.