Specification: 15 Diodes ( 12 Red+3 Red ) LED Combination stop turn tail light-Curb side 19 Diodes ( 12 Red+3 Red+4 White ) LED Combination stop turn tail light-Street side with license illuminator High visibility safety lights are easy to mount Add or upgrade the lights on boat, snowmobile, camper, or utility trailer Wire Connection Tips: Left side: White Wire is the Ground; White+ Red, front side works and is high brightness; White+ Brown, THREE sides work, front side is low brightness. Right side: White Wire is the Ground; White+Red, front side works and is high brightness; White+Brown, TWO sides work, front side is low brightness. Tips: There is one more white light on the left side. Professional Installer is Highly Recommended (No Instruction Included) Package include: 1 Pair Tail Lights Includes one pair multi-functions tail lights, parts pack with all fasteners and commectors needed for installation.