(Set of 2 Bulbs)54SMD 3014 & 3SMD 3030 high brightness chips per bulb,Working Voltage: 9v-30v (fit 12V, 24V vehicles).Fits: 3056, 3156NA, 3156K, 3156, 3156A, 3156AK, 3156NAK, 3047, 3047LL, 3047K, 3057A, 3057ALL, 3057, 3057ST, 3057K, 3057KX, 3057X, 3057KLCP, 3057LL, 3155, 3155LL, 3157A, 3157AK, 3157 ,3157K, 3157X, 3157LL, 3157ST, 3157KX, 3157NA, 3157NALL, 3157NAK, 3357A, 3357ALL, 3356, 3357, 3357KNA, 3357LL, 3357K, 3454NA, 3457A, 3457ALL, 3457AK, 3457, 3457K, 3457NA, 3457NAK, 3757A, 3757AK, 3757ALL, 4057, 4057LL, 4057K, 4114, 4114LL, 4114K, 4157, 4157LL, 4157K, 4157NA, 4157NAK, 5702 .Application: Back Up Reverse Lights, Brake Lights, Tail Lights, Parking Lights, Side Marker Lights, Daytime Running Lights, Parking Lights etc. You will need load resistor or flash relay to prevent the flash when replacement for Turn Signal Lights.Advantage: Non-polarity design, Compatible for both \/SRCK and Standard socket. More than 300% 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.This bulb is compatible for both \/SRCK and standard socket, Non-polarity design.Dual Brightness: The Dim mode is Tail lights or DRL, while the Bright mode is Brake\/Turn Signal lights or Back Up Reverse lights. The bulb run in Bright mode when your bulb only function in one mode.High Brightness LED: 54SMD 3014 chipset & 3SMD 3030 chipset.Working Voltage: 9-30V (fit 12V, 24V vehicles).Output Wattage: 3.8W\/bulb (Low Power Consumption).Color: White 6000K.Waterproof: IP65.Service Life: Up to 30,000 Hours.colour:blackMaterial:metalSize:Single size about: 47 * 22mmPackage Contents:2 * brake light bulbNote: Load resistor or flash relay might be needed to prevent the flash when replacement for Turn Signal Lights.IMPORTANT NOTICE! Please confirm the bulb base before placing an order.Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.