(Set of 2 Bulbs) 54SMD 3014 & 3SMD 3030 high brightness chips per bulb, Working Voltage: 9v-30vFits: 7440A 7440NA 7440 7440SV 7443NA 7441 7443 7443R 7444 992 WY21W W21/5W W21W etc. Easy installation, plug and play.Application: Back Up Reverse Lights, Brake Lights, Tail Lights, Parking Lights, Side Marker Lights, Daytime Running Lights etc. You will need load resistor or flash relay to prevent the hyper flash when replacement for Turn Signal Lights.Advantage: Non-polarity design, Compatible for both CK/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.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. This bulb is compatible for both CK/SRCK and standard socket, Non-polarity design. Best value in the market! Features 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: Xenon White 6500K. Waterproof: IP65. Service Life: Up to 30,000 Hours. Note: You will need load resistor or flash relay 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!