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