This is product manufacturers code 642143930 by Schiefer. If you need to contact us about this product, please quote our product reference of 11856.
This is a 28v 10w MR11 spot lamp. The MR11 fitting has two straight pins that push into the lamp holder. It is also known as GU4 because the pins are 4mm apart.
This bulb is the closed type with a glass cover and a beam angle of 30 degrees.
These unusual 28v lamps are used in some automotive applications such as a some trailers and horse boxes as well as other specialist applications.
The average lamp life for this product is 2000 hours.