H4 LEDs are made with high quality chips that will not fade over time. Each bulb comes with 4 sets of beads and the unique design. Double the luminous efficiency is more perfect than the cut line of halogen bulbs, emitting a perfectly clear beam of light without glare, giving you an extremely wide and clear view so you can easily drive in the dark or on rough roads. [Standard Base] Designed 1:1 according to the original H4 bulb, it has a better cut line for high and low beam and works perfectly. The bulb produces 6500K cool white light which is over 300% brighter than halogen bulbs. Plug and play, no modification required, just unplug the old bulb, plug in the H4 LED bulb and start building. Use it immediately. [Wide Voltage] The H4 LED bulb has a wide voltage of 9V-32V DC, suitable for upgrade level of car headlights 12V-24V. LED H4 can start immediately and reach full brightness immediately, regardless of high current and high voltage. Built-in smart chip for reverse polarity