Dear customer. After purchase, if you have any questions, malfunctions, errors, etc. about our products, please contact us through the Free Market order information. In this way, we will reply and resolve any questions for you within 12 hours.I suggest you dont open the market for free.If you submit a claim through the free market, you must wait 10 business days to participate in the process. However, if you contact us directly, the problem will be resolved quickly and efficiently.The quality of products sold in this shop is guaranteed!!------------------------------------------------------------------------------------------------------------Perfect high/low light pattern -- mini lens and reflection cup integrated design, H4 LED with mini projection lens to make spotlight more focused, close light cutting line perfect. Easily solve the car astigmatism problem, will not produce glare to other drivers. 250% cooling efficiency, improved heat-induced thermal control with LED drivers and turbo-cool fans ensure your bulbs last longer than your car!The latest black Mini H4 Projector lens headlight bulb perfectly fits the original halogen size with direct halogen replacement. Plug and play. There is no need to open the headlight housing during installation. Protect your car well.Product parameters: -- Material: Aluminum -- product.Specifications :H4 Y6D - Shadow Type: Spotlight- Applicable model: motorcycle, automobile general - Applicable.- Model: General Motors - Protected.- Luminous flux :8000lm- Light source :LED- Power :45W- Voltage :DC12-24VPros: Spotlights for high and low light, IP68 waterproof rating.Constant current control, anti-jamming circuit design, remote lighting, 6000k(cold white) lighting range of about 160 meters. - This design projector lens fits most H4/9003 / HB2 halogen bulbs. So if your car is a h4 series, you can buy this design lens to replace the original light bulb.H4 LED High Beam/Low Light Adjustable: You can change the low light cutting line of the H4 LED headlight projector lens by adjusting the internal screw. You can also adjust the level of the high beam by adjusting the screws on the side.The H4 connector has a long service life and a running time of over 300,000 hours. Both high and low performance are ideal for use in cars and motorcycles, and due to their low power consumption, lighting efficiency is up to 300% higher than halogen bulbs. Suitable for you to improve night driving safety in any terrain.Note:1. The display screen is not calibrated, and the color of the product shown in the photo may be slightly different from the actual product.2. Make sure the previous bulb is cool before installation.3. It is very important to check the polarity of the car and motorcycle leds and fuses to ensure proper operation.4. Allow air to flow freely into the fan and avoid covering the fan.