Kisan tailBlazer 20W-DZ - Integrated unit for (1) Dual-contact bulb&nbsp;CAN-bus Z-version Hybrid electronics plug-n-play - simple bulb replacement Dual function circuits - intensity control for tail & brake function Deceleration flash - exponential decay over 4-Sec LED option - replaces G4 Halogen bulb element Low cost version - single wire ISO-tap hook-up Designed, developed and assembled in USA