Features Direct replacement for factory incandescent 7440/7443-size turn signal bulb. Sixteen high-power 5W LEDs arranged in all directions. Metal heatsink to maintain high output. Inductive constant-current drive circuit. Increased output with LED appearance. Plug and play simple installation. 510 lumens per bulb. Overview Upgrade. Add more light output and a modern appearance to your vehicle with the 7440/7443 XP80 turn signal bulb. Populated with twelve side-firing 5W-rated LED chips and four forward-facing 5W-rated LED chips this is the brightest self-contained automotive LED bulb on the market. Housed in an aluminum casing with a textured finish for maximum heatsinking properties the XP80 will last for years to come. Best of all installation only takes minutes - simply take out your factory bulb and the XP80 will fit snugly in the socket. Brightness. At 510 lumens the XP80 will provide about double the total light output compared to your factory bulb. All Diode Dynamics LED lighting is rated with accurate measured lumen figures not calculations or guesses. We test the true output in-house and provide you the real numbers to compare. Reliability. Unlike other bulbs on the market this bulb is built with constant-current circuitry along with transient suppression. That means this bulb will last for years not months with no flickering or failure. And like every Diode Dynamics product it's backed by an industry-leading three-year replacement warranty.