H1 Plasma White Light Bulbs Bulbs are filled with up to 30% real Xenon gas, resulting in a cooler burning light filament. Process higher light output, resulting in a 20-30 percent increase in perceived light. Utilize advanced quartz tinted glass envelope technology,increases the color temperature of the bulb Closer to that of daylight (4500K), thus producing a significantly whiter light beam. Voltage: 12v ,100w Wattage (OEM Compatible) ,4500K Color Temperature,Warranty: 1 FULL YEAR.