ER526S Different from common halogen bulb, xenon halogen bulb shining with super yellow. Comparing with common halogen bulb, brightness of xenon halogen bulb’s increased 30%. Easy to install and need not change circuit and electrotimer. Satisfy all kinds of car-checking demands. 70% brighter than normal Halogen bulbs. Requires no modification. Will fit any H1 compatible cars (Comes in a pair, twin pack). Super/hyper white HID look. Not compatible with HID conversion kits.   Package Details Weight: 86.67 g Size: 11*10*5.5 cm Package Includes 1 × H1 12V 55W White HID Xenon Halogen Bulb Headlight