Upgrade your vehicle’s interior with the TecUpdater 2-Color Interior Festoon LED Bulb, a smart lighting solution that automatically alternates between 6000K bright white and 4000K yellowish warm white every time the light is toggled on and off. This innovative feature allows you to enjoy both clarity and comfort in a single bulb without needing any extra switches or wiring.
When first powered on, the bulb shines with a sharp 6000K cool white output, giving maximum brightness for visibility inside your car’s cabin. Switch the light off and back on, and it will change to a 4000K warm yellow tone, creating a softer and more relaxing atmosphere. This makes the TecUpdater festoon LED highly versatile — perfect for drivers who want both functional illumination and stylish ambiance.
The bulb operates at 12V, making it universally compatible with most vehicles. It comes in multiple festoon sizes including 28mm, 31mm, 36mm, 39mm, and 41mm, ensuring a direct fit for dome lights, map lights, trunk lights, door courtesy lights, and license plate housings.
Using advanced 1860 SMD LED chips, the TecUpdater festoon bulb produces up to 5000 lumens of brightness while consuming just 2.2W, 3.5W, or 5W depending on the model. The aluminum body construction ensures superior heat dissipation and durability, extending the bulb’s lifespan to 50,000 hours — far longer than traditional halogen alternatives.
The auto toggle feature eliminates the need for complicated controls. Each time you press your dome or map light switch, the bulb cycles to the next color mode:
Mode 1 – 6000K White (bright daylight tone)
Mode 2 – 4000K Yellow/Warm White (softer, comfortable glow)
This makes it especially useful for different situations: bright white when searching for items or reading inside the car, and yellow warm tone for nighttime relaxation without straining the eyes.
Installation is hassle-free thanks to its plug-and-play design. Simply remove the old festoon bulb and replace it with the TecUpdater dual-color unit — no rewiring or modifications required.
The TecUpdater 2-Color Festoon LED is compatible with a wide range of vehicles including Volkswagen, BMW, Honda, Toyota, Hyundai, Skoda, Maruti Suzuki, and Mercedes-Benz models. It also works for RVs, caravans, and boats, making it a versatile lighting upgrade across many applications.
Each unit is compactly packaged (10 × 10 × 2 cm, 0.050 kg), making it easy to store, ship, and distribute. Whether you are upgrading a single vehicle or sourcing in bulk for workshop or retail use, TecUpdater ensures reliability and quality in every product.
In summary, the TecUpdater Auto-Toggle 2-Color Festoon LED Bulb offers:
Dual color output (4000K + 6000K) in a single bulb
Automatic switching each time the light is toggled on/off
High brightness up to 5000 lumens with low power consumption
Durable aluminum housing for longer lifespan (up to 50,000 hrs)
Universal fitment for 28mm–41mm festoon applications
Plug-and-play installation with no special tools required
Order today directly from TecUpdater.com or contact us via call/WhatsApp for bulk inquiries.
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