... case 5: 1WX5LEDs EK-DRL01HP daytime running light DRL LEDWITH E4/ R87 CERTIFICATION fit for the rounds ... 5. open circut protection is builded inside the DRL, so even customers connect negative and positive ... in wrong way, the DRL will stay safety, instead of burned immediately.6. ... made resistors and capacitors are used for our DRL, which will have much better themal for LED ...