---
product_id: 181976623
title: "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: "VT57045"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/181976623-sm3-lifebuoy-self-igniting-marker-light-uscg-solas-and-med
store_origin: VU
region: Vanuatu
---

# 1000 candela brightness 360° omnidirectional visibility User-replaceable AA lithium batteries 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:** VT57045
**Availability:** ✅ In Stock

## Summary

> 🚨 Light up your safety game — be the beacon everyone trusts!

## Quick Answers

- **What is this?** 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?** VT57045 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/181976623-sm3-lifebuoy-self-igniting-marker-light-uscg-solas-and-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

- • **Durable & Weatherproof:** UV-resistant polycarbonate shell ensures long-lasting performance in harsh marine conditions.
- • **Effortless Battery Swap:** User-replaceable AA lithium batteries keep you powered without hassle.
- • **Quick & Secure Mounting:** Easy bracket installation with SM2-compatible hole pattern for seamless retrofit.
- • **Certified Safety Assurance:** USCG, SOLAS, and MED approvals guarantee top-tier emergency compliance.
- • **Unmatched 360° Visibility:** Stay seen from every angle with powerful LED illumination.

## Overview

The ACR SM3 Lifebuoy Self-Igniting Marker Light is a compact, high-performance emergency marker designed for maritime safety. Featuring a 1000 candela LED light with 360° visibility, it meets USCG, SOLAS, and MED standards. Powered by user-replaceable AA lithium batteries and housed in UV-resistant polycarbonate, it offers reliable, waterproof performance with easy bracket mounting compatible with previous SM2 models.

## Description

SM3 Lifebuoy Self-Igniting Marker Light, USCG, SOLAS, and MED approved, is a direct replacement for the SM2, ensuring reliable visibility in emergency situations.

## 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 |
| Are Batteries Included | No |
| Batteries | 2 AA batteries required. |
| Best Sellers Rank | #256,696 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #64 in Boat Strobe & Safety Lights |
| Brand | ACR |
| Brightness | 1000 candela |
| Bulb Base | E26 |
| Bulb Features | Automatic Immersion Activation, Strobe Light Pattern |
| Color | Safety Orange |
| Customer Reviews | 4.4 4.4 out of 5 stars (20) |
| Date First Available | September 19, 2019 |
| Finish Type | UV Resistant |
| Item Weight | 10.6 ounces |
| Item model number | SM3 |
| Light Source Type | LED |
| Light Source Wattage | 5 Watts |
| Manufacturer | ACR Electronics |
| Manufacturer Part Number | 3947 |
| Material | UV resistant polycarbonate |
| Mounting Type | bracket mount |
| Number of Batteries | 2 AA batteries required. |
| Number of Light Sources | 1 |
| Position | Center |
| Power Source | Battery Powered |
| Product Dimensions | 9.9 x 2.2 x 2.2 inches |
| Shade Material | Polycarbonate (PC) |
| Shape | sphere |
| Special Features | Waterproof |
| Style | Modern & Compact |
| Voltage | 3 Volts |
| Wattage | 5 watts |

## Product Details

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

## Images

![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.vu/products/181976623-sm3-lifebuoy-self-igniting-marker-light-uscg-solas-and-med](https://www.desertcart.vu/products/181976623-sm3-lifebuoy-self-igniting-marker-light-uscg-solas-and-med)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-03*