SCM-4-GW-20 - Shadowcaster Marine Shadow Caster SCM4 Underwater | Aztek Computers
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SKU: MZM6OJUQ7A |  Mfg. Part: SCM-4-GW-20  | UPC: 855726005057  |  0 Reviews  |     Share

SCM-4-GW-20 - Shadowcaster Marine Shadow Caster SCM4 Underwater LED Light Great White

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Condition: New

$271.71  $366.81
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Product Overview

Shadow Caster SCM4 Underwater LED Light Great White with 20 feet cord

Model: SCM-4-AG-20
  • Proprietary clear-gel-?lled design, injected through entire unit - eliminates condensation and/or water intrusion under stress
  • Tough, polycarbonate lens
  • Passivated stainless steel 316 material provides a durable corrosion resistant housing
  • Transient surge and reverse polarity protection - dramatically prolongs unit life
  • Thermal throttling technology - enables safe operation even out of water
  • 2-Year Warranty

The SCM-4 is a 4 LED underwater marine light and provides your vessel with 17 watts of intense LED lighting. Chose from 5 different single color options. The SCM-4's low pro?le design allows for many mounting locations. The unique stainless steel housing compliments the look of any trailer or lift kept boat.

Specifications
Lumens
Up to 1,600 lumens
Beam Angle120 deg
Watts draw17 watts power draw
Current1.4 amps operating current draw @ 12 volts
Input voltage10-30
Dimensions5.8 in (148 mm) x 2.4 in(61mm) x 0.5 in (13mm)


Expert Overview

The Shadow Caster SCM4 Underwater LED Light Great White (SCM-4-GW-20) is an underwater marine lighting unit designed for vessels. It provides up to 1,600 lumens of illumination with a 120-degree beam angle, drawing 17 watts of power at 1.4 amps when operating at 12 volts. The unit features a proprietary clear-gel-filled design intended to prevent condensation and water intrusion. Its housing is constructed from passivated 316 stainless steel for corrosion resistance, and it includes a durable polycarbonate lens. Integrated protections against transient surge and reverse polarity aim to extend the unit's lifespan, while thermal throttling technology allows for safe operation even when not submerged. The SCM-4 is suitable for marine applications requiring robust, single-color underwater lighting and offers flexible mounting due to its low-profile design.

Technical Specifications

  • High-intensity LED output
  • Compact design with built-in electronics
  • No hull modifications required for installation
  • Long-lasting LED life over 40,000 hours
  • Stable performance across 10-30 volts

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • SHADOWCASTER MARINE
  • SCM-4-GW-20
  • 855726005057
  • New
  • 2.03 lbs
  • 16 X 5 X 5
  • Sep 10, 2026
  • Apr 09, 2026
Product Identifiers: Brand: Shadowcaster Marine • Part #: SCM-4-GW-20 • UPC: 855726005057 • Category: Lights

Frequently Asked Questions

What are the power requirements for this LED light?

The Shadow Caster SCM4 operates with an input voltage range of 10-30 volts. It has a power draw of 17 watts and an operating current draw of 1.4 amps at 12 volts.

What is included with the SCM-4-GW-20 unit?

The SCM-4-GW-20 unit includes the Shadow Caster SCM4 Underwater LED Light Great White and comes with a 20-foot cord. It is a single-color light option.

What are the dimensions of the SCM4 light?

The SCM4 light measures 5.8 inches (148 mm) in length, 2.4 inches (61 mm) in width, and 0.5 inches (13 mm) in depth. Its low-profile design allows for various mounting locations.

What protective features does this light offer?

The SCM4 features a clear-gel-filled design to prevent water intrusion, a corrosion-resistant 316 stainless steel housing, and a tough polycarbonate lens. It also includes transient surge and reverse polarity protection, along with thermal throttling technology for safe operation.

SCM-4-GW-20 - Shadowcaster Marine Shadow Caster SCM4 Underwater LED Light Great White

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$271.71