Specially designed to have similar the size and shape of your OEM halogen light bulb for maximum fitment! The low-profile copper circuit board with the CSP LED chips. This LED configuration creates a look-a-like light output profile as compared with a original halogen filament bulb for an accurate beam pattern. Fans work great to cool down any LED headlight bulbs, but our Perfect Fit is a unique blend of power and efficiency that does not require any active cooling fan. Featuring the CSP high-efficiency chips these bulbs create about 2-3 times as much light as your original halogen bulbs with only 1/3 of the power consumption. IP68 waterproof. Genuine CSP LED chips. Suitable for -40℃ +150℃. Fits 12V to 24V vehicles.