LEDIN HB4 9006 High Power COB LED 3200lm HL Low Beam Headlight Bulb 40W Xenon HID White 2 pieces (a pair) of Latest Technology 40W High Power COB LED 9006 (HB4) Light lamp bulb 6000K xenon HID white color temp. light Type of Lights: COB LED light panel Light bulb Bulb size in length: ~79mm (~3.11 inches) in length; ~31mm (~1.22 inch) in diameter