Covers are made of high quality ABS plastic, 't fade from exposure Come with T10 plug socket, convenient for modifying and rewiring Easy to install, fast response,stable performance, close to original effect. Soft pads included, fit for fast feet or curved roofs Direct replacement for factory stock cab marker covers. Perfect fit and No leakage. Neither any cutting, modifying nor wiring is needed NOTE:Special care should be taken. DO NOT drill until all positioning is done. Drilling is unnecessary if your vehicle comes with stock roof running lights. LED Bulb: LED Type: 5-5050-SMD LED High Power Much Brighter than regular with high power chips, perfect replacement for dull and yellowish stock bulbs Faster on/off response time and vibration resistant High performance LED, long lifespan, superior illumination & stability If the LED 't light up, simply flip it 180 degrees (reverse the polarity) colour:yellow Material:ABS Package Contents: 5 * Cover with Base Housing 5 * LED Bulb 5 * Lampholder line 10 * Screw Only the above package content, other products are not included. Note: Light 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.