(Pack of 2) LED Decoder 7440 7441 7444 Adapter Anti Hyper Blinking Flashing Error Cancel Canbus Decoder-7440 Cancel Error message cause by OBC (On-Board Computer) Check Fix Hyper Flashing on Turning Signal.Fits:7440 7441 7444 992 etc. Not cutting or splicing! Simply twist your LED bulb onto the base, and twist the other end into your existing bulb socket. Compatible for 95% vehicle with CANBUS systems including european and domestic vehicles If the product does not work to solve your issue, kindly email us ,we will solve your problem