... 5.Reliable security ; Sealed by advanced irrigative technology , HID Xenon lamp is with high intensity , waterproof , dustproof , shockproof properties. ... 6.Convenient installation ; Only insert HID Xenon lamp into the original lamp hole , fix ballast and connect power supply . ... reach full light, halogen lamp takes about 15 minutes, while HID lamp takes less than 0.001 second to start up ...