<b>X1 Series 9005 and 9006 LED Bulbs Combo Kit</b><br><br> <b>·Easy Installation</b><br><br>9005/HB3 and 9006/HB4 LED bulbs is plug and play without any tools.<br><br> <b>·External Driver Chip</b><br><br>Built-in intelligent CSP LED chips, compatible with 99% of vehicles’ system.<br><br> <b>·50000 Hours Lifespan</b><br><br>Stable heat dissipation, ensures more than 50000 hrs lifespan and always perform at the peak brightness.<br><br> <b>·Robust Design</b><br><br>LED bulb can work in raining days or other bad weather. Don't worry about the failure during extreme weather.<br><br>