The SC3 underwater light provides your vessel 24 watts of intense LED lighting. The SC3’s are designed with a sub-compact 3” diameter hard anodized aluminum housing for under the waterline surface mounting. Single color or color changing versions available with variable brightness and a wide array of control options.
SC3 3″ Underwater Pontoon Boat Light
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Product Description
The SHADOW-CASTER™ SC3-ALTB 3″ underwater pontoon boat light is designed for pontoon boat bracket mounting. The SC3-Pontoon light with its small 3” diameter and single bolt installation make it the ideal light to compliment your aluminum hull pontoon boat. The glass window and aluminum design combined with the SHADOW-CASTER’™ made in America design make this the ideal choice for pontoon boats.
These 3″ underwater pontoon boat lights are available in an RGB version as well as single color white or single color blue.
KEY FEATURES:
- Proprietary clear gel-filled design, injected through entire unit —eliminates condensation and/or water intrusion under stress
- Tough, scratch resistant, tempered glass lens with hard anodized aluminum housing — impervious to acetone, solvents and demanding marine environments
- Transient surge and reverse polarity protection — dramatically prolongs unit life
- RGB version compatible with most standard RGB controllers
- Integrated thermal protection for safe operation out of water
Control Options

Power Toggle Control
Toggle power source to advance to the next color or brightness levelPower Toggle Control
Quickly toggle power source to advance to the next color or brightness level
Shadow-NET Control
Full-feature control with your MFDShadow-NET Control
Dramatic, full-feature control through your multifunction Display (MFD) by adding the Shadow-NET control Module
Shadow-NET Modes
- Unlimited shades of color and fading
- Dimming
- Music sync
- Strobe rate
- Multiple zones
Dramatically enhance lighting capabilities through your existing MFD
Additional Information
| Weight | 1 lbs |
|---|---|
| Dimensions | 4.5 × 4.5 × 3.75 in |
| Color |
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Includes
• Lighting unit
• 3’ (1mm) submersible-grade cable
• 3 mounting screws
• Standard 3 year warranty














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