THESE ARE HALOGEN CRYSTAL CLEAR SEMI-SEALED BEAM GLASS FACED HEADLIGHTS WITH A BLUE ANGEL EYE LED HALO RING! Blue LED ring can be wired to be daytime running lights or stay on with the headlights INCLUDES (4) HALOGEN H4 60/55W BULBS! THIS LISTING IS FORA SET OF 4 NEW 5 3/4" CRYSTAL CLEAR GLASS FACED HALOGEN HEADLAMP BULBS WITH BLUE LED HALO RING. THIS SET INCLUDES 2 HIGH BEAM & 2 HIGH / LOW BEAM HEADLIGHTS (CLEAR HALOGEN 60/55W H4 BULBS INCLUDED). THESE WILL FIT ANY CAR OR TRUCK THAT HAS 4 ROUND GLASS HEADLIGHTS THAT ARE 5 3/4 INCHES IN DIAMETER. SOME MODIFICATION TO THE HEADLIGHT BUCKET OR WIRING MAY BE REQUIRED. THESE ARE GLASS AND WE WILL TAKE EXTRA CARE IN PACKAGING. INTERCHANGE: H5001 / H5006 / 4000 / 5001