One Pair 1157 RED 20 LED Light(2 bulbs) ba15d /12V Turn Signal Light, Corner Light, Stop Light, Parking Light, Side Marker Light, Tail Light, and Backup Lights This is for one pair of 1157 LED bulbs (2 bulbs) (Dual Beams) Cross Reference: 1034. 2057 Total 20 LEDs Lights with Wide View Angle for best reflection. Double your current light output Diameter 25mm (1.0"). 35mm height (LED part). 54mm total height.