Grandview 12V COB LED Car Interior Dome Lights 10-Pack — 48 SMD, 8000K 480lm with Multi-Adapters

These Grandview 12V COB LED dome lights are a 10-pack of ultra-bright, low-power interior bulbs with 48 SMDs and multiple adapters for fast plug-and-play replacement.

Upgrade cabin illumination with a kit designed to replace common automotive interior bulbs across cars, trucks, RVs and trailers. Each compact 40×35 mm COB panel delivers a crisp 8000K white output at roughly 480 lumens while drawing minimal current. The set includes three adapter types so you can fit festoon, T10 and BA9S sockets without soldering or cutting wires; polarity-sensitive LEDs mean a quick flip of the adapter cures most non-lighting issues.

How bright and energy-efficient are these dome lights?

Each lamp uses a compact COB array of 48 SMD chips that concentrates light into a uniform, high-output panel. At about 480 lumens per unit and 0.12A draw at 12V, these bulbs are significantly brighter than many incandescent replacements while consuming a fraction of the power.

• 48 SMD COB design for even illumination and minimal hot spots
• Approximately 480 lumens per bulb at 12V operation
• Low draw (~0.12A) for reduced electrical load and heat
• Rated lifespan around 50,000 hours under normal conditions

Which sockets and vehicles will these adapters fit?

The package includes multiple adapters to cover the most common automotive interior sockets so you can swap bulbs into dome, reading, map and license plate lights. Verify the physical size of the original lamp and the vehicle voltage (9–16V range supported) before installation to ensure compatibility.

• Includes 10 T10 adapters (9 mm) for wedge-style sockets
• Includes 10 BA9S adapters (9 mm) for bayonet-style sockets
• Includes 10 festoon adapters for 31–42 mm festoon holders
• Suitable for cars, trucks, trailers, RVs and campers with 12V systems

How easy is installation and what should I check first?

These bulbs are plug-and-play when the correct adapter is used; sticky backing is included for locations that require a fixed panel placement. Because the LEDs are polarity-sensitive, a non-illuminating bulb usually just needs its adapter flipped. Always disconnect power briefly before swapping bulbs and confirm socket dimensions first.

• Turn the vehicle power off before replacing bulbs for safety
• Test fit adapter and bulb for physical clearance before final seating
• If the bulb doesn’t light, remove and rotate adapter 180° to correct polarity
• Use the included self-adhesive tape for panel mounting where needed

Who is this for? Drivers and DIY vehicle owners who want bright, energy-efficient cabin lighting without custom wiring will find this Grandview kit useful. It’s tailored to people replacing multiple interior bulbs at once — fleet owners, detailers, RV owners and anyone upgrading map, dome, trunk, or license-plate lights. If you need a simple swap that reduces electrical load while improving visibility inside the vehicle, this multi-adapter pack offers a practical, long-lived solution.