Specifications & Compatibility
| 🏷️ Brand | TecUpdater |
| 🛡️ Warranty | 1 Year |
| 📦 Quantity / UOM | 1 Piece |
| ♻️ Return / Exchange | Exchange Only |
| 💡 Bulb Type | Festoon LED (rigid tube with metal end caps) |
| 📏 Length Options | 31 mm, 36 mm, 39 mm, 41 mm |
| 💡 LED Type | COB LED array (18–33 LEDs depending on size) |
| 🔋 Voltage | DC 12 V (some models 12–24 V) |
| ⚡ Power Consumption | ~2.5 W–5 W (C5W–C10W equivalent) |
| 🎨 Color Temperature | ~6000 K (bright white) |
| 🔄 Illumination Angle | 360° full coverage |
| 🔧 Driver | Constant-current or CANBUS-compatible |
| 🏠 Housing | Aluminum or PCB body with heat sink |
| 💧 Ingress Protection | Often IP68 waterproof |
| 🌡️ Operating Temperature | –45 °C to +105 °C |
| ⏳ Life Expectancy | Typically >30,000 hours |
| ✅ Certifications | CE, RoHS (varies by supplier) |
| 🚗 Applications | Dome/map lights, trunk illumination, glove box and courtesy lamps, license plate lights, RV interior lighting, utility/service vehicle compartments |
Upgrade your vehicle’s interior and auxiliary lighting with TecUpdater COB Festoon LED Bulbs, engineered for superior brightness, uniform illumination, and reliable performance. Designed for dome, trunk, map, courtesy, glove box, and license plate lights, these bulbs are an ideal drop-in replacement for cars, trucks, RVs, and boats.
Looking for a different interior light or festoon option? Check below.
TecUpdater Type B Bright LED Festoon Bulb | 12V Canbus 3030 9SMD Error-Free Car Interior Light (31mm, 36mm, 39mm, 41mm)
₹349.00 Select options This product has multiple variants. The options may be chosen on the product pageTecUpdater OEM Dome Light 3BD947105 Passat Type Cabin Light for VW Polo Vento Ameo Skoda
Price range: ₹6,600.00 through ₹6,800.00 Select options This product has multiple variants. The options may be chosen on the product pageTecUpdater 2-Color Festoon Interior LED Bulb 12V (White and Yellow 4000K/6000K On-Off Toggle)
₹799.00 Select options This product has multiple variants. The options may be chosen on the product page
Key Features
Uniform 360° Brightness
Each bulb uses COB (Chip On Board) LED technology, combining multiple LED chips into a single array for glare-free, even light distribution.
Outperforms traditional halogen or SMD LEDs with smoother illumination and enhanced visibility.
Wide Fit Compatibility
Available in 31mm, 36mm, 39mm, and 41mm lengths for easy replacement across most automotive festoon sockets.
Can be used in interior cabins, trunks, glove boxes, courtesy lamps, license plate lights, and RV compartments.
Energy Efficient & Durable
Low 12 V power draw (2.5 W–5 W) reduces heat stress on vehicle wiring.
Includes CANBUS/IC driver circuitry to prevent flickering or dashboard error codes in modern vehicles.
Rugged construction with aluminum bases and IP68 waterproof ratings ensures reliability in harsh conditions.
Long Lifespan
Designed to withstand temperatures from –45 °C to +105 °C, making them suitable for interior, trunk, or even exterior automotive applications.
High-quality materials and heat-sinking bases prolong operational life.
Easy Plug-and-Play Installation
Direct-fit replacement for existing festoon sockets.
No rewiring or special tools required.
CANBUS-enabled bulbs work instantly in modern vehicles without triggering errors.
Automotive Applications
Dome and map lights
Trunk illumination
Glove box and courtesy lamps
License plate lamps
RV interior lighting
Utility or service vehicle compartments
Why Choose TecUpdater COB Festoon LEDs?
Wide compatibility across four common lengths
Bright, uniform 360° light with COB technology
Energy-efficient, low-heat operation
CANBUS-ready for modern vehicles
Rugged, waterproof construction suitable for demanding environments
Upgrade your vehicle’s lighting today with TecUpdater COB Festoon LED Bulbs for brighter, cleaner, and more reliable illumination across all common automotive applications.
























Satyendra –
Perfect for Baleno Dome Lights yellow halogen replacement. Good.