White LED 7443 Spider Lite Bulbs for Tail Lamps Rear Brake Stop Lights Dual Brightness T20 Also compatible with the following sizes; 7440, 7441, 7444, 990, 991, 992A, W21-5W, W3X16Q ECE Dual Brightness; The Bulbs Increase Intensity When Brakes Are Applied JDM 5050 SMD LEDs Are 3X Brighter Than Smaller 3538 SMD LEDs Transform Dull Taillamps Quickly & Easily Into High Performance Taillamps Low Power Consumption, Strong Anti-Shock, Long Lasting Up to 50000+ Hours Life Time