<b>This bulb is compatible for both CK/SRCK and standard socket, non-polarity design. Best value in the market!</b><br> <br> <b>Features</b><br> 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.<br> High Brightness LED: 54SMD 3014 chipsets & 3SMD 3030 chipsets.<br> Working Voltage: 9-30V (fit 12V, 24V vehicles).<br> Output Wattage: 3.8W/bulb (Low Power Consumption).<br> Color: Xenon White 6000K.<br> Waterproof: IP65.<br> Service Life: Up to 30,000 Hours.<br> <br> <b>Note:</b> Load resistor or flash relay might be needed to prevent the hyper flash when replacement for Turn Signal Lights.<br> <br> <b>IMPORTANT NOTICE!</b> Please confirm the bulb base before placing an order.<br> <br> <b>iBrightstar is a registered brand with Amazon. Please contact us if there is any questions or other requests!</b>