(Set of 2 Bulbs) 54SMD 3014 & 3SMD 3030 high Brightness chips per bulb, Working Voltage:9v-30v Fits: 1157 BAY15D 1016 1034 1157 1157A 2057 2057A 2357 2357A 2357NA 2397 3496 7528 p21/5w etc. Easy installation, plug and play. Application: Brake Lights, Tail Lights, Daytime Running Lights etc. Load resistor or flash relay might be needed to prevent the hyper flash when replacement for Turn Signal Lights. Advantage: Exclusive design, 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. Please double check owners manual or original bulb number to confirm before placing an order. Any other problem please feel free to contact us, we are always here to satisfy of you. Features Dual Brightness: The Dim mode is Tail lights or DRL, while the Bright mode is Brake lights or Turn Signal lights. High Brightness LED: 54SMD 3014 chipset & 3SMD 3030 chipset. Working Voltage: 9-30V (fit 12V, 24V vehicles). Output Wattage: 3W/bulb (Low Power Consumption). Color: Brilliant Red. Service Life: Up to 30,000 Hours. Note: Load resistor or flash relay might be needed to prevent the hyper flash when replacement for Turn Signal Lights. IMPORTANT NOTICE! Please confirm the bulb base before placing an order. iBrightstar is a registered brand with Amazon. Please contact us if there is any questions or other requests!