This is a 'BOSCH' computer ignitor unit for Mercedes / Porche / Audi head lamps.Litronic Steuergerat.
2001 Kh DOT D2S D2R.
35W max. 500VOC 85VAC.
1 307 329 052.
290 03 0094.
HW5.7 SW03.
Please check all part numbers for correct year vehicle application.