No delay to turn on, longer on/off response time Lifespan: 80,000 working hours, stable quality, long service life of aluminum heat sink, built-in automotive circuit to prevent electronic interference. The model is the same as the factory light, no need to change the car's, just plug and play, no modification required Energy saving, environmental protection, stable performance, through strict testing, use safer driving in the car Description: Super one pair (2 bulbs) H4 / 9003 / HB2 80W / bulb, 4000LM / bulb 6000K LED Bulbs Headlight Conversion Kit High Low Beam / Fog Light FEATURES: Bulb Size: H4 / 9003 / HB2 Application: Headlights High and low beam / fog light LED replacement bulbs are designed for superior performance, great looks and increased safety. High power LED chip 40W per bulb Color Temperature: 6000K Bright White Lumens: 14000 lumens per bulb, no blind zone Operating Voltage: DC 12V to 24V Color: Silver Material: Aluminum Alloy Size: One size about: 7 x 5cm Package