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Lighting guides for smarter buying
Practical advice on LED headlight bulbs, fog lights, light bars and more from the TUHO factory team. Compare specs, understand regulations and pick the right products for your market.
Short answer: An H1 LED bulb is a single-beam LED replacement for the halogen H1, which PIAA lists with 1 filament at 55 W. It is used for one beam po…
Short answer: H4 and 9003 are names for the same kind of dual-beam bulb, and they are usually treated as the same socket. PIAA lists the H4 as similar…
Short answer: An H4 LED headlight bulb is a dual-beam LED replacement for the halogen H4, one bulb that has to make both the low beam and the high bea…
Short answer: No, 9005 and 9006 headlight bulbs are not interchangeable. Osram lists the 9005 (HB3) at 60 W on a P20d base and the 9006 (HB4) at 51 W…
Short answer: A 9005 LED headlight bulb is a single-beam LED replacement for the halogen 9005, also called HB3. Osram lists the halogen at 60 W and 17…
Short answer: Sometimes. An H11 LED bulb is commonly sold for H8 and H9 sockets, but the halogen H8, H9 and H11 differ in wattage and base code, so fi…
Short answer: An H11 LED headlight bulb is a single-beam LED replacement for the halogen H11. The H11 models TUHO lists run from 2,850 LM at 35W-30W p…
Short answer: An H7 LED headlight bulb is a single-beam LED replacement for the halogen H7. The H7 models TUHO lists run from 2,850 LM at 35W-30W per…
Demon eyes stay visible in the sun, but the dramatic glowing "eye" you see in photos is a low-light effect — here's the contrast science and what actu…
