ACR SM-3 3947 Lifebuoy Self-Igniting LED Strobe Marker Light USCG/SOLAS/MED – Open Box – New

$129.99

This item is new and has never been used. It may be unused in its original packaging, be old stock, new open-box, new out of box, or never installed. Packaging might be missing, opened, or show minor damage. The item is fully functional and includes all accessories shown in the listing and images, unless otherwise noted.
SKU: 871051
In stock (1 available)
  • Free Shipping Lower 48

    Free Shipping Lower 48

  • 30-Day Returns

    30-Day Returns

  • 90-Day Warranty

    90-Day Warranty

Manufacturer:

Model Number: SM-31

MPN: SM-3

Listed Item Condition: New/New Other

Product Details:

The ACR SM-3 is a lifebuoy marker light that turns on automatically when thrown overboard or turned upright. It has a 360° LED strobe of about 3 candelas per flash, visible for roughly 2 miles, and it is USCG/MED/SOLAS approved. It runs more than 40 hours at 30°C (86°F) and more than 24 hours at -1°C (30°F). It is powered by 2 Energizer L91 lithium AA batteries, which are user replaceable. The case is UV-resistant polycarbonate. The light floats upright in all conditions. Batteries not included. This item appears unused. The original box has wear and tear at the top flap, as shown in the photos. This item is missing the mounting bracket.

What's Included:

  • ACR SM-3 Lifebuoy Self-Igniting Light, with attached lanyard
  • Quick start guide
  • Original box

Return Info: 30-Day Returns

Warranty Info: 90-Day Warranty

Dimensions: 10.5 × 3 × 3 in, Weight: 1 lbs

Shipping Info: Free shipping applies to items being delivered within the contiguous United States (lower 48). HI, AK, PR, and all other US Territories, and International locations will have shipping calculated during checkout. Please be advised if the item is large or is a multi-piece shipment, shipping quotes may be inaccurate due to restrictions outside of our control, in those instances you will be contacted promptly.

Terms:

All items sold at Max Marine Electronics come as you see in the pictures provided, with only the parts and accessories stated in the description section named “What’s Included”. IF YOU DO NOT SEE SOMETHING YOU EXPECT TO BE INCLUDED IN THE DESCRIPTION WE PROVIDE, IT WILL NOT BE INCLUDED. Read all descriptions thoroughly. There are times when a display is used only to show the item being sold is functional and working properly. In this case, these displays are not included. If you have any questions feel free to reach out to Max Marine Electronics. We always want to be transparent with our customers and fully disclose any information regarding the products we sell.

***PLEASE NOTE***Buyers outside the contiguous United States:
We strive to provide accurate shipping quotes at checkout. However, for satellites, radars, large items, or multi-piece shipments, system and carrier limitations may sometimes result in incorrect estimates. If this happens with your order, our team will reach out to you right away to ensure you receive the best possible shipping solution. Your satisfaction is our priority!

Categories Safety, Monitoring & Digital Switching » EPIRBS & PLBS
QTY Available 1
Date Added Nov 13, 2026

More ACR Products