--- product_id: 18053104 title: "Golden Sun UL-Listed 5 watt MR16 GU5.3 Bi Pin LED COB Spot Bulb, 50W Equivalent, AC/DC 12V, 38 Degree, 450 lm, Dimmable with LED compatible dimmer and transformer, Recessed Lighting, Track Lighting, 2.2\" Height, 3000K Soft White" brand: "goolsun" price: "$18.57" currency: USD in_stock: true url: https://www.desertcart.us/products/18053104-golden-sun-ul-listed-5-watt-mr16-gu5-3-bi store_origin: US region: United States of America --- # Golden Sun UL-Listed 5 watt MR16 GU5.3 Bi Pin LED COB Spot Bulb, 50W Equivalent, AC/DC 12V, 38 Degree, 450 lm, Dimmable with LED compatible dimmer and transformer, Recessed Lighting, Track Lighting, 2.2" Height, 3000K Soft White **Brand:** goolsun **Price:** $18.57 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Golden Sun UL-Listed 5 watt MR16 GU5.3 Bi Pin LED COB Spot Bulb, 50W Equivalent, AC/DC 12V, 38 Degree, 450 lm, Dimmable with LED compatible dimmer and transformer, Recessed Lighting, Track Lighting, 2.2" Height, 3000K Soft White by goolsun - **How much does it cost?** $18.57 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/18053104-golden-sun-ul-listed-5-watt-mr16-gu5-3-bi) ## Best For - goolsun enthusiasts ## Why This Product - Trusted goolsun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Advantages: 1) SAVING over 90% on electricity bill of lighting by replacing incandescent bulbs 2) Use HIGH-TECH CERAMIC COB (chip on board) as light source to emit even and glare-free light 3) IDEAL COLOR -- four color options: WARM WHITE(2700K), SOFT WHITE(3000K), NATURAL WHITE(4000K), COOL WHITE(6000K) 4) INSTANT ON -- NO WARM UP 5) ENVIROMENTALLY FRIENDLY - 100% MERCURY, UV & IR FREE 6) 50, 000+ HOUR LIFE lasts 50x longer than standard incandescent bulbs Package: 1-Pack Dimmable 5W 38 degree 3000K MR16 LED bulb Difference between 2700K and 3000K 2700K (called Warm White) is for creating wild and warm mood, which is suitable for using at home. Our lights in warm white are a close match to halogen and incandescent lights. 3000K (called Soft white) is used as "warm white" for most of the LED lights in the market. However, comparing to the color of halogen and incandescent lights, 3000K looks a bit cooler. What is COB and Why using COB COB (Chips on Board), is a new technology of LED packaging for LED light engine. Multi LED chips are packaged together as one lighting module. As normal LED lightsource such as SMD, High Power LED etc. is super bright in a small size, it usually causes uncomfortable glare and zebra strips comparing to traditional lighting like fluorescent lamp. However, COB LED is multi chips packaged, it can 10 times more increase lighting area, so it avoid uncomfortable glare by the maximum extent. ## Features - SAVE MONEY 6-Pack available - ASIN: B00OZ74GCM ($38.99/pack) - "3000K Soft White" is the most used color temperature of the "warm white" of normal LED lights, but it is a little cooler than the color of halogen and incandescent lights. See color difference between "2700K" and "3000K" in the color effect picture in the left of product page visually. - Use high-tech ceramic COB(chip on board) as light source to emit even and glare-free light. High luminous efficacy of the lamp up to 90 lm/W. - Dimmable LED bulbs. Works in both 12VAC and 12VDC. Note: If using dimmer switch, dimmer switch must be LED compatible. Also make sure transformer is LED compatible. Contact us if you are not sure or have any questions. - 5-watt LED replacement for 50-watt incandescent MR16 bulb with perfect standard size. Easy installation by directly fitted into GU5.3 base. ## Images ![Golden Sun UL-Listed 5 watt MR16 GU5.3 Bi Pin LED COB Spot Bulb, 50W Equivalent, AC/DC 12V, 38 Degree, 450 lm, Dimmable with LED compatible dimmer and transformer, Recessed Lighting, Track Lighting, 2.2" Height, 3000K Soft White - Image 1](http://ecx.images-amazon.com/images/I/41a5iTaCgaL.jpg) ![Golden Sun UL-Listed 5 watt MR16 GU5.3 Bi Pin LED COB Spot Bulb, 50W Equivalent, AC/DC 12V, 38 Degree, 450 lm, Dimmable with LED compatible dimmer and transformer, Recessed Lighting, Track Lighting, 2.2" Height, 3000K Soft White - Image 2](http://ecx.images-amazon.com/images/I/31TjGMIBn2L.jpg) ![Golden Sun UL-Listed 5 watt MR16 GU5.3 Bi Pin LED COB Spot Bulb, 50W Equivalent, AC/DC 12V, 38 Degree, 450 lm, Dimmable with LED compatible dimmer and transformer, Recessed Lighting, Track Lighting, 2.2" Height, 3000K Soft White - Image 3](http://ecx.images-amazon.com/images/I/31TjGMIBn2L.jpg) ![Golden Sun UL-Listed 5 watt MR16 GU5.3 Bi Pin LED COB Spot Bulb, 50W Equivalent, AC/DC 12V, 38 Degree, 450 lm, Dimmable with LED compatible dimmer and transformer, Recessed Lighting, Track Lighting, 2.2" Height, 3000K Soft White - Image 4](http://ecx.images-amazon.com/images/I/41fW6UCTQkL.jpg) ![Golden Sun UL-Listed 5 watt MR16 GU5.3 Bi Pin LED COB Spot Bulb, 50W Equivalent, AC/DC 12V, 38 Degree, 450 lm, Dimmable with LED compatible dimmer and transformer, Recessed Lighting, Track Lighting, 2.2" Height, 3000K Soft White - Image 5](http://ecx.images-amazon.com/images/I/41lBw1ZxwLL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/18053104-golden-sun-ul-listed-5-watt-mr16-gu5-3-bi](https://www.desertcart.us/products/18053104-golden-sun-ul-listed-5-watt-mr16-gu5-3-bi) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-18*