DE3022 DE3175 LED Bulb, DE3021 3175 6428 31mm LED Festoon Dome Bulb for LED Interior Reading Map Trucks Light 12V (31MM, Warm White) 4PCS;

Material: FR-4+PVC
NO. of lamp beads:1*COB Epistar smd
Angle:360
voltage:12V DC
Size:31mm Length X 9mm Diameter
One Led COB Filament Light Source.Low electric current and long time to use.
Lifespan Time : More than 60000 hours
light color: Warm White 3000K
Warranty: 2 years
If the LED does not light up, simply Rotating it 180 degrees (reverse the polarity).