Upgrade your vehicle's lighting with these advanced 7443 LED switchback bulbs featuring built-in resistors for error-free operation. These dual-function bulbs seamlessly transition between bright white for daytime running lights (DRL) and amber for turn signals, offering enhanced visibility and style. The CANBUS-compatible design eliminates hyper flashing issues common in LED upgrades, making them perfect for modern vehicles. These T20 bulbs deliver an impressive 600% increase in brightness compared to standard bulbs while maintaining stable performance. Ideal for use as turn signals, DRL, or parking lights, these bulbs install directly into 7443, 7444, and 7444NA sockets. The integrated resistor technology ensures smooth operation without dashboard warning lights or electrical system complications. Perfect for drivers seeking a premium lighting solution that combines functionality with a modern appearance.