LED brake light for Mazda CX-5 with dynamic turn signal 2017-2021 1、Green electric light source with advanced luminous uniform constant current control technology, no pollution, no noise, no interference. 2、Greatly improve driving safety, help your vehicle to be seen at a greater distance, and greatly increase the reaction time of the vehicle behind. 3、Shockproof, dustproof, waterproof and anti‑corrosion, more efficient and energy‑saving, overheating protection device prevents overheating and burns. 4、Take less power while maintain better light output. The housing is professionally designed to make sure that the LEDs will not overheat and have a longer lifespan. 5、Very easy and convenient to install, can be installed without any modification. With reverse polarity protection and open circuit protection.