2pcs 20w CanBus Error Free 1157 Super Bright Lampshade Style Reflecting Philips LED Light Bulbs Dual Stage Car Turn Signal Brake Tail Parking Daytime Running Side Light Bulbs 1157 BA15D L166 (Set of 2 Bulbs) - High Quality 48 SMD PREMIUM LED Chips per bulb, These efficient light bulbs operate within a wide 9v-30v Voltage; light bulb Size: ~ 58mm x 20mm (~ 2.3" x 0.8") 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.