2pcs Premium Samsung LED Light Bulbs 5630 White 1157 BAY15D Dual Stage High Power Switch Back 33 LED Car Light Bulbs Auto Replacement Lighting L270 (Set of 2 Bulbs) - high quality premium led light bulbs with 33 Samsung LED SMD/Diodes per bulb which operate within a wide 9v-30v Voltage; light bulb Size: ~ 54mm long x 19mm wide (~ 2.1" x 0.7") Replacement for or Fit: 1157, BAY15D, 1016, 1034, 1157, 1157A, 1178A, 1196, 2057, 2057A, 2357, 2357A, 2357NA, 2397, 3496, 7528, 94 etc. A BAY15D bayonet base allows for easy plug-and-play installation Application: Back Up Reverse Lights, Brake Lights, Tail Lights, Parking Lights, Side Marker Lights, Daytime Running Lights etc. Load resistor or flash relay might be needed to prevent the hyper flash when replacement for Turn Signal Lights, etc. Light color: white Advantage: Non-polarity design, Compatible for both CK/SRCK and Standard socket. So much brighter than original halogen bulb, full Aluminum Housing with Projection lens for Maximum Light output and better heat distribution, built in Constant Current IC for Longer life span & Low Power Consumption.