Slim Line Ii 4" Low Profile Led Strip Light, 3528 Led Blue / 2 Pcs X #4 X 22Mm Ss Screw
The TH Marine Slim Line II 4" low-profile LED strip light in blue is a compact lighting solution built for boats, RVs, and other marine and outdoor applications where space is tight. This 3528 LED strip delivers bright, efficient illumination in a thin profile that tucks into tight quarters—perfect for cabin interiors, storage lockers, under-gunwale accent lighting, or any spot where a traditional fixture won't fit. The low-profile design means you get useful light without the bulk.
Blue LED strip lights work well for accent and mood lighting, watery atmospherics, or creating visual interest in cabin spaces. The included stainless steel hardware—two pieces of #4 x 22mm screws—makes mounting straightforward. Because this is a marine-rated product, it's engineered to handle the damp, corrosive environment of a boat without premature failure or safety issues.
Whether you're outfitting a fishing boat, liveaboard, or RV galley, these compact strips are a practical upgrade from no light at all in tight utility spaces. The energy efficiency of LED means you can run accent lighting without the power draw that incandescent or fluorescent fixtures demand.
What's Included
- Slim Line II 4" low-profile LED strip light (blue)
- Two stainless steel #4 x 22mm mounting screws
Specifications
| Brand | TH Marine |
| Product | Slim Line II 4" Low Profile LED Strip Light |
| LED Type | 3528 LED |
| Color | Blue |
| Length | 4 inches |
| Profile | Low profile |
| Hardware Included | 2 x #4 x 22mm stainless steel screws |
Frequently Asked Questions
Can I use this LED strip light in a saltwater marine environment?
Yes. This is a TH Marine product built for marine applications. The stainless steel hardware and marine-rated design mean it's suited to the salt spray and moisture exposure of saltwater boating.
How is the strip light mounted?
Two stainless steel #4 x 22mm mounting screws are included. Installation depends on your surface material—wood, fiberglass, or aluminum—and should follow standard fastening practices for your boat or RV construction.
What is a 3528 LED, and how bright is it?
3528 refers to the size of the individual LED diode package (3.5mm x 2.8mm). These are standard-sized, efficient LEDs commonly used in strip lighting. Brightness will depend on the number of LEDs on your strip and your specific installation conditions.
Is this strip waterproof?
This is a marine-rated product designed for use in wet environments. For full waterproofing details and installation best practices to ensure water resistance in your specific application, consult the product manual or contact TH Marine support.

