H4 plug, easy installation. Fitment: 1982 - 1987 El Camino,1980-1988 Monte Carlo, 1979-1993 Ford Mustang,FREIGHTLINER FLD120 112 FLD, Peterbilt Rectangular Headlights 379 378 357,Kenworth T800 T400 T600 W900B W900L Classic 120/132 HK Classic, Semi Trucks with 4x6 inch sealed beam installation hole. Upgrade RGB Halo Angel Eyes: RGB 16 Million Colors & blue tooth controlled & iPhone and Android compatible & timing function & music mode & flashing function & manual control unlimited colors options and functions (blinking, flashing, brightness, etc); The halo also can be chosen WHITE color when you driving on the country road or highway, giving your truck Peterbilt Kenworth headlights a unique appearance. Super bright 4x6 inch led headlights with RGB halo: 4500lm@High beam, 3000lm@ Low beam, give you broad view to make you far away from hidden danger in the dark; Helps to reduce traffic accidents cause by bad weather or adverse road condition.Search the ‘Happy Lighting' in the App store to download this APP and connect the device via bluetooth. Come with adapter can be easy swap your pin if you need, save your money and time. Compatible with: H4651 H4652 H4656 H4666 H6545,Pins on plug may need to be moved on some vehicles--use different Ground/Low/High beam positions on the pins. Package: 4pices of 4x6 led headlights with RGB Halo +4 pieces H4 to 3 pin adapter+1 piece control box+1 piece wire. Note:Halo ring turn off when turn off the vehicle- Control box Black wire is connected to the negative, and the red wire is connected to ACC. Specification:
Name:4x6 LED Headlights
Size: 4x6 inch
Power:30W(High beam),20W(Low beam)
Lumen:4500LM(High beam),3000LM(Low beam)
Voltage:12-24V
Voltage for Halo:12V DC
Waterproof:IP67
Color Temperature: 6000K
Beam Type: High Beam, Low beam
Material: Aluminum Alloy housing, PC lens
Halo Color: White&RGB
Halo Angel Eyes: Full Function(timing function & music mode & flashing function & manual control unlimited colors options)
We have applied for a Patent no.:ZL29624555 for these lights to make your vehicle different.

Fitment:
Fit for Trucks with 4*6 inch sealed beam installation hole
Fit for old car with 4*6 inch sealed beam installation hole
FREIGHTLINER FLD120 112 FLD
Peterbilt Rectangular Headlights 379 378 357
Kenworth T800 T400 T600 W900B W900L Classic 120/132 HK Classic
1978-1983 American Motors Concord
1980-1988 American Motors Eagle
1979-1983 American Motors Spirit
1975-1990 Buick Electra
1976-1986 Buick LeSabre
1982-1987 Buick Regal
1975 - 1985 Buick Riviera
1982-1992 Camaro
1982-1987 Cavalier
1982-1987 El Camino
1980-1988 Monte Carlo
1979-1986 Ford Mustang
1993-1997 Ford Probe
1977-1990 Oldsmobile 98
1985-1987 Oldsmobile Calais
1980- 1988 Oldsmobile Cutlass Supreme
1977-1991 Oldsmobile Delta 88
1977-1981 Pontiac Firebird
1976-1987 Pontiac Grand Prix
1980-1984 Volkswagen Jetta
1987 Silverado V10
1975 - 1985 Cadillac Eldorado
Notes
1.If the back of your headlight has limited space some modification to the bucket maybe required.
2.Some of the vehicles, it may have a different pins out, these headlights will not light up by plug&play, it needs to swap the High beam pin, Low beam pin and Ground pin, package include the H4 to 3pin Adapter for you if needed.