---
product_id: 181976623
title: "ACR SM3 Lifebuoy Self-Igniting Marker Light, USCG, SOLAS, and MED approved, is a direct replacement for the SM2, ensuring reliable visibility in emergency situations."
brand: "acr"
price: "€ 294.62"
currency: EUR
in_stock: true
category: "Acr"
url: https://www.desertcart.gr/products/181976623-acr-sm3-lifebuoy-self-igniting-marker-light-uscg-solas-med
store_origin: GR
region: Greece
---

# 360° ultra-bright LED visibility User-replaceable AA lithium batteries Easy bracket retrofit installation ACR SM3 Lifebuoy Self-Igniting Marker Light, USCG, SOLAS, and MED approved, is a direct replacement for the SM2, ensuring reliable visibility in emergency situations.

**Brand:** acr
**Price:** € 294.62
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay visible, stay safe — because every second counts!

## Quick Answers

- **What is this?** ACR SM3 Lifebuoy Self-Igniting Marker Light, USCG, SOLAS, and MED approved, is a direct replacement for the SM2, ensuring reliable visibility in emergency situations. by acr
- **How much does it cost?** € 294.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/181976623-acr-sm3-lifebuoy-self-igniting-marker-light-uscg-solas-med)

## Best For

- acr enthusiasts

## Why This Product

- Trusted acr brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Quick-Click Mounting:** Includes bracket with SM2-compatible hole pattern for seamless, tool-free retrofit installation.
- • **Effortless Power Swap:** User-replaceable AA lithium batteries keep you mission-ready without hassle or downtime.
- • **All-Around Safety Glow:** 360° self-igniting LED light ensures you're seen from every angle, even in the darkest emergencies.
- • **Durable & UV-Resistant:** Built with rugged polycarbonate to withstand harsh marine environments and prolonged sun exposure.
- • **Certified Peace of Mind:** USCG, SOLAS, and MED approvals guarantee top-tier compliance and trusted maritime safety.

## Overview

The ACR SM3 Lifebuoy Self-Igniting Marker Light is a compact, USCG, SOLAS, and MED-approved emergency beacon designed for 360° visibility. Featuring a powerful 5-watt LED with automatic immersion activation, it uses user-replaceable AA lithium batteries and mounts easily with a bracket compatible with the previous SM2 model. Its UV-resistant polycarbonate housing ensures durability in demanding marine conditions, making it an essential safety upgrade for any lifebuoy.

## Description

desertcart.com: ACR SM3 Lifebuoy Self-Igniting Marker Light, USCG, SOLAS, and MED approved, is a direct replacement for the SM2, ensuring reliable visibility in emergency situations. : Sports & Outdoors

## Features

- The SM3 Lifebuoy Self-Igniting Marker Light emits bright light in all directions, providing 360 visibility for maximum safety during emergency situations at sea.
- SM3 Lifebuoy Self-Igniting Marker Light is USCG, SOLAS, and MED approved, providing 360° visibility for maximum safety during emergency situations at sea.
- User-replaceable AA lithium batteries (not included) ensure convenience and long-lasting power for the SM3 Lifebuoy Self-Igniting Marker Light.
- Features easy bracket installation for quick, secure mounting, ensuring reliable visibility and enhanced safety during emergency situations at sea.
- The bracket is included and maintains the same hole pattern as the SM-2, allowing for easy retrofit and seamless installation during replacement.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07XTS7CB6 |
| Battery Description | Lithium |
| Best Sellers Rank | #83,255 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #29 in Boat Strobe & Safety Lights |
| Brand Name | ACR |
| Bulb Base | E26 |
| Color | Safety Orange |
| Customer Reviews | 4.6 4.6 out of 5 stars (23) |
| Finish Types | UV Resistant |
| Item Weight | 10.56 ounces |
| Light Source Special Features | Automatic Immersion Activation, Strobe Light Pattern |
| Light Source Type | LED |
| Light Source Wattage | 5 watts |
| Manufacturer | ACR Electronics |
| Manufacturer Part Number | 3947 |
| Material Type | UV resistant polycarbonate |
| Model Number | SM3 |
| Mounting Type | bracket mount |
| Number of Batteries | 2 AA batteries required. |
| Number of Light Sources | 1 |
| Power Source | Battery Powered |
| Shade Material | Polycarbonate (PC) |
| Shape | sphere |
| Specification Met | USCG, SOLAS, MED |
| Style Name | Modern & Compact |
| Unit Count | 1 Count |
| Wattage | 5 watts |

## Product Details

- **Color:** Safety Orange
- **Finish Type:** UV Resistant
- **Light Source Type:** LED
- **Material:** UV resistant polycarbonate
- **Shape:** sphere

## Images

![ACR SM3 Lifebuoy Self-Igniting Marker Light, USCG, SOLAS, and MED approved, is a direct replacement for the SM2, ensuring reliable visibility in emergency situations. - Image 1](https://m.media-amazon.com/images/I/516bdmA7waL.jpg)

## Questions & Answers

**Q: Are these lights intrinsically safe?**
A: No, they are not.

**Q: What is the CFR approval number?**
A: Not sure the exact cfr number but both on board were approved at all inspections

**Q: Will the unit activate in the rain?**
A: No, it will not activate because of rain. This unit turns on when it is turned so that the light is at the top, as if it were floating in water. However, it will work rain or shine.

## Frequently Bought Together

- ACR SM3 Lifebuoy Self-Igniting Marker Light, USCG, SOLAS, and MED approved, is a direct replacement for the SM2, ensuring reliable visibility in emergency situations.
- ACR HEMILIGHT3 LED Life Jacket Light Bulk 10-Pack - Compact Strobe with 20+ hrs Battery, 100% Waterproof, High-Intensity, USCG Approved, Marine Safety & Visibility at Sea
- ACR HemiLight3 HL3 Automatic Survivor Locator Light, Med, Solas, and USCGC Approved, Ensures Reliable, Automatic Distress Signaling for Swift Rescue in Emergencies.

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**Shop now:** [https://www.desertcart.gr/products/181976623-acr-sm3-lifebuoy-self-igniting-marker-light-uscg-solas-med](https://www.desertcart.gr/products/181976623-acr-sm3-lifebuoy-self-igniting-marker-light-uscg-solas-med)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-09-27*