T9 Serial CSP chip H4 Automotive Car LED Headlight bulbs with 9600LM All in one Hi Lo Beam Spec. In Detail: 1. Double-sided 12 LED chips, linear light, brightness increased by 300%. 2. Upgrade lamp beads. It can switch the light color into pure white, gold, warm white. It can change color temperature according to the real-time weather. Switching instantaneous light through the power switch. Easy to deal with all kinds of weather, escort for safe driving. 3. 10mm thick copper cooling braid. The temperature is guided to the braid via the copper base copper core. Physical cooling, more stable, no noise. 4. Slim light pole, the thickness is only 3mm, effective high brightness, high concentration, refusal astigmatism. 5. Model in line with international standards, it matches the original car perfectly, non-destructive installation, plug, and play. 6. Independent external aluminum drive, 0.01s instant quick start, built-in intelligent temperature control system, monitoring and regulation at all times, to achieve dynamic protection.