# Attwood LightArmor HPX Underwater Light - 3 LED  Blue [66UW03B-7]

**LightArmor Extreme High Performance (HPX) Underwater Light - 3 LED & Blue  
**

Ensuring the highest quality performance, this 4-inch Light Armor surface mount underwater LED incorporates the very latest technology to provide maximum life cycles, minimal heat exposure, and incredible brightness. The sleek housing with a low profile design requires minimal mounting hardware. Unique heat sink cooling system with active overheat protection, reverse polarity protection, fully-sealed waterproof electronics, and impact-resistant lens further enhance unsurpassed durability.

**Features****:**

-   12V and 24V DC systems
-   Intelligently engineered for strength and durability
-   Exclusive Heat-Sync Cooling System with Active Overheat Protection
-   Resistant to corrosion, chemicals, and UV damage
-   Extreme impact-resistant lens
-   3 ft. sheathed wire
-   Reverse polarity protection
-   Fully sealed waterproof electronics
-   Simple installation with minimal mounting hardware
-   Low-profile design
-   Electro-polished 316 stainless steel cover (Optional for OEM)
-   CE certified

**Specifications:**

-   Fixture Lumens: 1,350
-   Current Draw at 13.6V: 0.64
-   Current Draw at 24V: 0.32

\*All Light Armor Underwater lights must be mounted under water line. Only works underwater.

**Specifications:**

-   Color: Blue
-   Material: Stainless Steel
-   Mounting Style: Surface
-   Box Dimensions: 3"H x 7"W x 11"L WT: 0.5 lbs
-   UPC: 022697660039

  
[Quick Guide (pdf)](https://productimageserver.com/literature/quickGuide/98173QG.pdf)

## Details

- **Price:** 224.99 USD
- **Type:** Underwater Lighting
- **Tags:** 1st Class Eligible, Brand_Attwood Marine, Lighting, Lighting | Underwater Lighting

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 224.99 USD | In stock |

## Images

- Attwood LightArmor HPX Underwater Light - 3 LED  Blue [66UW03B-7] Attwood Marine

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> Source: [Besafe1st](https://besafe1st.com/products/attwood-lightarmor-hpx-underwater-light-3-led-blue-66uw03b-7)
> Updated: 2026-05-21