# Dr. LED > Dr. LED designs and sells marine LED light fixtures and navigation LED replacement bulbs for boats—12V/24V products engineered in the USA for harsh marine environments, including use by the U.S. Navy and Coast Guard. Dr. LED (doctorled.com) is a U.S. marine lighting company. Primary audiences are recreational and commercial boaters, dealers, and government/fleet buyers seeking drop-in LED replacements for Perko, Aqua Signal, Hella, and similar fixtures, plus dedicated marine LED fixtures. ## Main - [Home](https://www.doctorled.com/): Marine LED fixtures and navigation LED replacement bulbs overview and product catalog - [About Dr. LED](https://www.doctorled.com/about-dr-led.html): Company history, engineering principles, government use, and marine LED innovation milestones - [Customer feedback](https://www.doctorled.com/customer-feedback.htm): Verified customer comments and store reviews; selected quotes also appear on related product and hub pages - [Marine LED lights](https://www.doctorled.com/marine-led-light-fixtures.htm): Dome, chart, recessed, spreader, underwater, and under-cabinet LED fixtures - [Navigation LED bulbs](https://www.doctorled.com/navigation-led-bulbs.htm): Drop-in LED bulbs for marine navigation lights - [Navigation LED Bulbs by Base](https://www.doctorled.com/nav-bulb-by-base.html): Browse navigation LED replacements by base type (BAY15D, BA15D, H2492, festoon, and more) - [Marine LED replacement bulbs](https://www.doctorled.com/marine-led-bulbs.htm): Bayonet, festoon, bi-pin, wedge, and Edison marine LED replacement bulbs - [Marine LED Bulbs by Base](https://www.doctorled.com/boat-led-bulb-by-base.html): Browse cabin and boat LED replacements by base type (BA15S, BA15D, G4, Edison, and more) - [Online store](https://www.doctorled.com/store/): Buy Dr. LED marine LED lights and bulbs - [Contact](https://www.doctorled.com/contact.htm): Phone, email, and dealer inquiries (Seattle, WA) - [Marine LED catalog (PDF)](https://www.doctorled.com/pdf/DrLED-Marine-Catalog.pdf): Downloadable product catalog - [Press releases](https://www.doctorled.com/press-release.html): Archive of Dr. LED marine LED press releases (2006–2026), including Polar Star 40 certification, P28S 6NM, Festoon Star, dome kits, and the Interactive Bulb Selection Guide ## Marine LED lights - [Mars Dome chrome LED dome light](https://www.doctorled.com/p24.htm): Cabin dome light; warm white and bi-color options - [Saturn Ring recessed LED lights](https://www.doctorled.com/p23.htm): 12V/24V recessed cabin lights (warm white, red, blue) - [Recessed Kevin X4](https://www.doctorled.com/recessed-x4.htm): Recessed marine LED downlight for cabins and galleys - [Black Cobra bi-color chart light](https://www.doctorled.com/m301.htm): Switchable red/white marine chart light - [John under-cabinet LED light](https://www.doctorled.com/p61.htm): Galley and cabin under-cabinet light - [Kevin X4 / X2 spreader & deck lights](https://www.doctorled.com/m503.htm): Marine LED spreader and deck lighting - [Neptune X6 underwater LED](https://www.doctorled.com/m500.htm): Stainless thru-hull underwater marine LED light - [Callahan LED light bars](https://www.doctorled.com/led_light_bars.htm): 12-inch and 20-inch marine LED light bars - [Callahan LED night light](https://www.doctorled.com/led_night_light.htm): Low-draw cabin night light ## Navigation LED bulbs - [Polar Star 40 BAY15D index nav bulbs](https://www.doctorled.com/p21.htm): 2NM index (offset pin) bayonet LED replacements for Aqua Signal, Hella, Perko Series 200 - [Polar Star 40 NI BA15D non-index nav bulbs](https://www.doctorled.com/nonindex-ba15d-nav-bulb.htm): 2NM non-index (level pin) bayonet LED replacements for Perko Series 1127–1130 / Fig. 0374 - [HEX GE90 (#68/#90/#94) nav bulbs](https://www.doctorled.com/ge90.htm): Drop-in LED replacements for common GE-style nav bulbs - [H2492 Star BA15S nav bulb](https://www.doctorled.com/ba15s-nav-bulb.html): Single-contact 12/24V navigation LED for Hella Series 2492 (PN 8000067) - [BA9S miniature bayonet nav bulb](https://www.doctorled.com/ba9s.htm): 9mm BA9S LED for anchor and nav lights - [28–31mm festoon nav bulb (P77)](https://www.doctorled.com/p77.htm): Festoon LED for Perko, Hella, Aqua Signal nav lights - [36–44mm festoon nav bulbs (P79)](https://www.doctorled.com/p79.htm): Longer festoon nav LED replacements - [Polar Star 25 (Aqua Signal Series 25)](https://www.doctorled.com/p22.htm): Bow/bicolor nav LED bulb for Aqua Signal Series 25 - [Perko 338 wedge nav bulb](https://www.doctorled.com/p338.htm): Wedge-base Perko navigation LED replacement - [Windex LED bulb](https://www.doctorled.com/p81.htm): Sailboat Windex wind-indicator LED replacement - [P28S medium prefocus nav bulb](https://www.doctorled.com/p28s.htm): 120/240V and 24V 6NM-class P28S navigation LED - [AR111 PAR36 sealed beam LED](https://www.doctorled.com/par36.htm): Sealed-beam CREE LED for masthead/foredeck and similar fixtures ## Interior & other LED bulbs - [Marine LED replacement bulbs hub](https://www.doctorled.com/marine-led-bulbs.htm): Category hub for BA15S / BA15D / BAY15D forward spots plus festoon, G4, wedge, and Edison LEDs - [BA15S bayonet LED](https://www.doctorled.com/ba15s.htm): Single-contact forward reading LED (PN 8001245) - [Elongated BA15S bayonet LED](https://www.doctorled.com/ba15s-elongated.htm): Longer single-contact / 1383 (PN 9000449) - [BA15D bayonet LED](https://www.doctorled.com/p211.htm): Double-contact non-index with level pins (PN 8001269-08) - [BAY15D bayonet LED](https://www.doctorled.com/bay15d-magnum.htm): Double-contact index with offset pins (PN 8001252) - [MR11 / MR16 bi-pin LEDs](https://www.doctorled.com/p26.htm): Halogen-replacement spot and cabin bi-pin LEDs - [Medium screw-base marine LEDs](https://www.doctorled.com/p28.htm): Edison-base 12V/24V cabin LEDs - [G4 bi-pin marine LEDs](https://www.doctorled.com/p71.htm): Compact G4 LED replacements for cabin lights - [Wedge-base LED (P83)](https://www.doctorled.com/p83.htm): Step, courtesy, and accent wedge LEDs - [Dome light LED conversion kits](https://www.doctorled.com/p73.htm): Kits to convert dome fixtures to LED - [Trade #1157 dual-intensity LED](https://www.doctorled.com/1157.htm): Dual-intensity trailer/tail light LED replacement - [Single-sided festoon LEDs](https://www.doctorled.com/single-festoon.htm): 31mm / 36mm / 41mm interior festoon LEDs - [SAD / Midnight Sun LED bulb](https://www.doctorled.com/sad-bulb.htm): Seasonal Affective Disorder LED bulb overview ## Guides - [Nav bulb selection guide (PDF)](https://www.doctorled.com/pdf/bulb-selection-guide.pdf): Marine navigation LED bulb selection guide - [LED conversion guide (PDF)](https://www.doctorled.com/pdf/LED-Conversion-Guide.pdf): Incandescent-to-LED conversion guide - [Owner testimonial](https://www.doctorled.com/p212.htm): Hallberg-Rassy 34 owner experience with Dr. LED lights ## Optional - [Limited warranty](https://www.doctorled.com/warranty.htm): Product warranty terms - [Privacy statement](https://www.doctorled.com/privacy.htm): Privacy policy - [Terms and conditions](https://www.doctorled.com/terms.htm): Terms of sale - [Legal notice](https://www.doctorled.com/legal.htm): Legal notices - [Sitemap](https://www.doctorled.com/sitemap.xml): XML sitemap of public pages