OSRAM LEDriving SL Advance LED T20 W21W WY21W W21/5W 7440 7443 Car Bulb for Turn Signal, Reverse, Brake, Stop Lights 2 Pack Experience the enhanced performance of OSRAM LEDriving SL Advance LED bulbs. Designed as an upgrade to the acclaimed LEDriving series, this latest version maintains the trusted quality of the original while improving key design elements for superior functionality. The LEDriving SL Advance delivers powerful, consistent illumination in a durable and stylish bulb design. Featuring intense white, red, or yellow light output, these bulbs offer a modern look and improved visibility on the road. Unlike basic LED models that produce uneven, dotted light patterns, the LEDriving SL Advance provides a broad, uniform beam for optimal brightness and visual impact. This high-performance lighting is made possible by OSRAMs precision engineering and use of premium components, ensuring long-lasting reliability and a cool-white, red, or amber light output. Built for durability, the LEDriving SL Advance is resistant to vibration, shock, moisture, and extreme temperatures. Its energy-efficient, low-wattage design helps reduce electrical load while delivering exceptional light output. The bulbs feature a simple plug-and-play installation, allowing for quick replacement of halogen bulbs without modifications. Please note: A CANbus decoder may be required in some vehicles to prevent flickering or error messages. These bulbs are not ECE-approved and are not road legal for primary lighting functions on public roads. Intended for off-road or decorative use only. Product Parameters - Name: OSRAM LEDriving SL Advance - Voltage: 12 V - Package Includes: 2 x LED Bulbs - Model: W21W, WY21W, W21/5W - Fitment: Turn signals, reverse lights, brake lights, tail lights, rear lights - Part Numbers: 9705CW (White), 9705Y (Yellow/Amber), 9715R (Red) - Base Type: W3x16d, WX3x16d, W3x16q Features - Stylish cool white / red / yellow (amber) light output - Enhanced brightness and visibility - Plug-and-play installation - Durable construction for long service life - Resistant to vibration, shock, moisture, and temperature extremes - Up to 2500 hours lifespan - 2-year warranty Package Includes 1 Pair of Genuine OSRAM LEDriving SL Advance Bulbs with Retail Box