LED Headlight 40 Watts. Operates 9 to 32 Volts. Made with Seoul CSP. Single beam uses 6 chips, Dual beam Hi/Lo uses 12 chips. The overall outline of the headlight is small so it will fit most automobiles. Each headlight outputs up to 4,000 Lumens total up to 8,000 for the pair. The single beam will have 6 Seoul CSP chips while the dual beam wil have 12 Seoul CSP chips. Each filament has 3 CSP chips that are about the same size as the original filaments. Easy DIY to remove old incandescent or halogen bulb and insert led headlamp. The led uses 1/8 the power and is up to 3 times as bright. The led light decay is much slower than a incandescent light bulb. These headlights are exact same location as your filament so the aligment is perfect for reflector or projector lens headlights. CE, Rohs, DOT, ECE approved. Very small profile to the headlamp will fit most applications. Comes two led headlights per package.