1. Flexible and easy to use.Perfect match with the car 2. and nice qulity, durable to use. 3. Built to strict quality control standards.Not easy to damage, long service life 4. Stable performance, high reliability.a perfect replacement for your old ones 5. Made of high quality material, for durable use. Item Type:Car headlight lamp Xenon Ballast HID Control Computer Module Condition:100% Placement on Vehicle:Front, Left, Right Fitment:Direct Replacement Part Number:1 307 329 319 00 130732931900 22791376 controller, SHL-1-4 Fitment: Fits xenon headlights of: 2013-2017 for Cadillac XTS 2015-2019 for Cadillac CTS Colour:Silver Material:Metal Package Contents: 1 * Car Xenon Ballast HID Light Control Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.