These 3W T10 921 922 912 base Super Bright LED bulbs are designed to be bright and efficient, providing substantial savings on your electric bill. They produce a clear, cool white color, making them ideal for various outdoor landscape and RV light fixtures that require enhanced brightness.
Upgrade your RV, camper, or boat interior lighting with these ultra-bright, energy-efficient LED bulbs. Designed to replace traditional halogen bulbs, they provide superior brightness and durability without the excessive heat or energy usage.
Specifications:
- Base Compatibility: 921, T10, 194, 168
- Polarity: Non-polarity (compatible regardless of orientation)
- LED Type: SMD2835, 38 pieces per bulb
- Color Temperature: Warm White (3000K), Natural White (4000K) or Cool White (6000K)
- Power Consumption: 3.8 Watts per bulb
- Brightness: 600 Lumens
- Color Rendering Index (CRI): Ra>80 for natural, accurate color rendering
- Operating Voltage: DC 12V-18V
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Size: 2.25" (L) x 1.18" (W) x 0.4" (H)
Key Features:
- Direct Replacement: Compatible with 912, 921, and 922 halogen bulbs. Perfect for single or double ceiling dome light fixtures.
- Enhanced Light Emission: Each bulb features 38 individual SMD2835 LED chipsets for uniform illumination and reduced hotspots.
- Bright White Light: 6000K-6500K color temperature ensures a crisp, clean white light without any unattractive blue or purple tint.
- Energy Efficient: At just 1.1 Watts per bulb, these LEDs reduce power consumption, allowing you to camp off-grid or boondock for longer periods.
- Compact Size: 1.97" x 1.17" (50mm x 30mm). Ensure your light fixtures have enough clearance for proper installation.
- High Lumen Output: Produces 700 lumens per bulb for outstanding brightness.
- Color Rendering Index (CRI): Ra>80 for accurate and natural color representation.
- Operating Voltage: DC 12V, ideal for RV and marine applications.
Reason to Buy from Us:
- No surprises or hidden fees.
- Safe payments via PayPal.
- 30 Day Money Back Guarantee.
- Real helpful humans on our support helpdesk!
- Tracking number for every order

- The cut off time for same day shipping is 2:00 PM (PST), excluding weekends and major holidays.
-All orders are shipped Free via Ground Shipping unless customer chooses Paid Expedited Shipping Options.
Shipping Times
- FedEx Ground: 1–5 business days within the contiguous U.S., 3–7 business days to and from Alaska and Hawaii.
- UPS Ground: 1–6 business days within the contiguous U.S., 3 business days to and from Alaska and Hawaii.
- USPS Priority Mail: Estimated 1-4 days based on origin, destination, and Post Office™ acceptance time.
During checkout, you will be prompted with available payment methods and you will find PayPal as one of them.
Coupon codes can be applied at checkout. Underneath your order summary, you will see the option to add a discount code. Some promotional codes are automatically applied, so the code won't work. Double check to see if the discount was automatically applied for you.
You may contact customer support at 833-717-2728 or sunbrightlightingus@gmail.com to try and change your order. If your order has already been fulfilled, then it cannot be changed.
You must contact customer support at 833-717-2728 or sunbrightlightingus@gmail.com to manually cancel your order. If an order has been fulfilled, it cannot be canceled.
Please call us at 833-717-2728, chat or email us at sunbrightlightingus@gmail.com.
We recommend our Cast Brass Material products since that is the most heavy duty material of all the three materials we have (cast brass, stainless steel, and cast aluminum).
Your 100% satisfaction is important for us. We offer a 30-days Return & Exchange Policy.
- If a product gets damaged or was faulty upon delivery - we offer 100% refund upon return.
- Timing: 30 days from the day the item was received.
- Goods must be unused, undamaged, and accompanied by proof of purchase.
- Returns can be initiated on our returns page https://www.sunbrightlighting.com/apps/redo/returns-portal
- The customer will receive a confirmation email once the return is inspected.
- If approved, the refund will be applied to the original payment method.
- 20% restocking fee applies if returned within 31-60 days from the day of the delivery.
- 30% restocking if returned within 61-90 days.
- No returns may be accepted after 90 days return period has passed.
Our return policy is 1 month. If you are unsatisfied with material, please try contacting our support before returning.
It usually takes 1-7 business days to process refunds once we receive items back in our warehouse.
If the item was defective or faulty, we will cover the return shipping 100%. If the customer simply doesn't like the item or ordered incorrectly, they will be responsible for the return shipping unless CheckOut+ was availed to cover the return label cost.
We provide Free Standard Shipping with all orders and optional Expedited Shipping calculated based on the total items in your order, only available on selected items.
Once your order is shipped, you will receive an email with tracking information so you can track your package.
Our free ground shipping usually takes 3–5 business days depending on the location.
The majority of the orders are being packaged and shipped from our warehouse in Los Angeles, California. Selected items and brands may be shipped directly from our vendor's warehouse.