Features:1. This auto headlight switch is brand new and high quality2. Headlight switch light sensor module, set the headlamp switch light sensor module to auto, and the lights will turn on and off automatically depending on the ambient brightness3. The headlight control switch can be activated in less than 1 second4. This auto lamp control switch will automatically turn off your headlights before you start your car, and turn them on after the car starts 3 seconds later5. The headlamp switch light sensor module is made to original factory specifications, a perfect match to the original car Specification:Condition: 100% Brand NewMaterial: ABS PlasticColor: BlackManufacturer Part Number: 1C0941531, 3BD941531, 3BD941531ASize: 11.2 x 6.3cm/4.4 x 2.5inCable Length: 112cm/44.1inPackage Weight: 197g/6.9ozThree lighting Modes:1. Tunnel mode (Reaction time: 1s)2. Normal mode (Reaction time: 3s)3. Delay mode (Reaction time: 5s)Fitment: Fit for 1999-2004Fit for B5 / B5.5 1998-2005Fit for 9N / 9N3 1999-2001Fit for Seat:Fit for SEAT I (7V8, 7V9) (1781 - 2792 , 90 - 204 PS)Fit for I Hatchback (6Y2) (996 - 1984 , 50 - 130 PS)Fit for I Hatchback (1U2) (1390 - 1984, 60 - 180 PS)Fit for before 2015 (2015 year is not included) Package List:1 x Headlight Switch with Light Sensor Module