This product is a parts-only item, meaning it requires installation into your rear bumper reflector housing. SUMMARY Fits Acura TLX Sedan 2015 2016 2017 Brand new Custom made quality power LEDs, our own designed PWM current control modules on the LEDs for longer life expectancy Products sold as a PAIR Will require wiring splices Lead time - 5~10 business days We are an authorized CorsoMotion dealer (Headquarter) Custom made in Baldwin Park, Los Angeles, California.   DETAILS Our custom-made power LED reflectors boast exceptional quality, an extended lifespan, and remarkable brightness. They are a world apart from the mass-produced, low-cost, low-quality LED products offered by other companies. We design our LEDs and control modules in Baldwin Park, LA County, and perform custom work in our warehouse. Professional installation is required. The input side includes Turn Signal +, Brake +, Parking Light +, and GND wires, which need to be connected by tapping into the wires going to your taillight. If you have any questions, please feel free to contact us.