MP-1156-UB-AMB Fits 1156 Sockets. Far brighter than other LED lamps available. BA15S single contact base. Designed exclusively for Mustang Project.This is the same lamp utilized in our late model front turn housing combo kits. It has had rave reviews in Magazines like Mustangs and Modified Fords and others. By far the brightest in its type it features an micro-controller in the base to control the dim and bright modes for ultra long life and maximum brightness. Also available in 1157 base with the same features for classic cars!