One Pair of 3157 AMBER 54 SMD LED Light (2 bulbs) /12V / Turn Signal Light, Corner Light, Stop Light, Parking Light, Side Marker Light, Tail Light, and Backup Lights Dual Beams 9 SMD LEDs up layer, 45 SMD LEDs down/side layers. Total 54 SMD LEDs Lights with Wide View Angle for better reflection. Diameter: 18mm , Total height: 48mm