---
product_id: 4940544
title: "3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light"
brand: "acr"
price: "€ 168.92"
currency: EUR
in_stock: true
category: "Acr"
url: https://www.desertcart.com.cy/products/4940544-3971-3-firefly-pro-solas-water-activated-rescue-strobe-light
store_origin: CY
region: Cyprus
---

# 360° visibility over 3 miles 41+ candelas ultra-bright output 56 hours battery life 3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light

**Brand:** acr
**Price:** € 168.92
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay Seen, Stay Safe — The Ultimate Water Rescue Beacon

## Quick Answers

- **What is this?** 3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light by acr
- **How much does it cost?** € 168.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/4940544-3971-3-firefly-pro-solas-water-activated-rescue-strobe-light)

## 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

- • **Unmatched Brightness:** Over 41 candelas of powerful, cool white LED light ensures you’re seen when it matters most.
- • **360-Degree Visibility:** Wide-angle LEDs create a full-circle beam visible from over 3 miles away, maximizing your rescue chances.
- • **Compact & Ready-to-Go:** Lightweight, pocket-friendly design with Velcro strap and lashing loops for quick, secure mounting on any gear.
- • **Endurance That Outlasts:** Up to 56 hours of continuous operation on a single AA lithium battery—twice the life of competitors.
- • **Rugged Military-Grade Durability:** Built tough to withstand extreme environments, so your safety gear never lets you down.

## Overview

The ACR 3971.3 Firefly PRO is a SOLAS-approved, water-activated LED strobe light delivering over 41 candelas of bright, cool white light with 360° visibility up to 3 miles. Featuring three modes—ultra-bright strobe, SOS, and steady-on—it offers up to 56 hours of battery life on a single AA lithium battery. Encased in rugged military-grade plastic, it’s compact and easily mounts to life jackets or gear, exceeding USCG and SOLAS standards for emergency water rescue lighting.

## Description

Product Description Great Product From the Manufacturer The Firefly PRO Waterbug LED Strobe Light is one of the brightest, most feature-packed emergency strobe lights available. With three activation modes—ultra-bright strobe, SOS strobe for Search and Rescue alerts, and Steady-On for close-up recovery—it’s designed to save lives in extreme conditions. Featuring an advanced light output management system, it produces over 41 candelas of light for up to 56 hours using AA lithium batteries. Its wide-light emission LEDs create a 360 beam visible over 3 miles, offering superior brightness with cool white light, free from yellow tinting. Built with a rugged military-grade casing, it withstands harsh environments. With a compact design, it fits easily inside life jackets or pockets for comfortable wearability. The Firefly PRO exceeds USCG and SOLAS requirements, offering twice the battery life of competitors. The included Velcro strap and lashing loops ensure quick and easy mounting to gear, keeping it within reach when you need it most.

## Features

- Great Product

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00KC68SVA |
| Best Sellers Rank | #197,005 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #57 in Boat Strobe & Safety Lights |
| Brand Name | ACR |
| Color | Yellow |
| Customer Reviews | 4.6 4.6 out of 5 stars (56) |
| Finish Types | Natural |
| Global Trade Identification Number | 00791659003411 |
| Included Components | Great Product |
| Item Dimensions L x W x H | 10"L x 8"W x 2"H |
| Item Length | 10 inches |
| Item Type Name | Great Product |
| Light Source Special Features | Mode Switching (SOS, Steady-On, Strobe) |
| Light Source Type | Light Emitting Diode |
| Manufacturer | ACR Electronics |
| Manufacturer Part Number | 3971.3 |
| Manufacturer Warranty Description | Warranty. |
| Material Type | Plastic |
| Model Number | 3971.3 |
| Mounting Type | Table Mount |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Number of Items | 1 |
| Number of Light Sources | 1 |
| Power Source | Battery Powered |
| Shape | Rectangular |
| Specification Met | approved |
| Style Name | Lights |
| UPC | 791659003411 |
| Unit Count | 1 Count |
| Voltage | 12 volts |

## Product Details

- **Color:** Yellow
- **Finish Type:** Natural
- **Light Source Type:** Light Emitting Diode
- **Material:** Plastic
- **Shape:** Rectangular

## Images

![3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light - Image 1](https://m.media-amazon.com/images/I/71lF2grKeYL.jpg)

## Frequently Bought Together

- ACR Firefly Pro Waterbug LED Strobe Light – Military-Grade, SOS & Steady-On Modes, SOLAS & USCG Certified, High-Intensity Marine Safety, Emergency Visibility & Durability (3971.3)
- LuxoGear Emergency Whistles with Lanyard Safety Whistle Survival Shrill Loud Blast for Kayak Life Vest Jacket Boating Fishing Boat Camping Hiking Hunting Rescue Signaling Kids Lifeguard Plastic 2 Pack
- ACR HemiLight3 HL3 Automatic Survivor Locator Light, Med, Solas, and USCGC Approved, Ensures Reliable, Automatic Distress Signaling for Swift Rescue in Emergencies.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.cy/products/4940544-3971-3-firefly-pro-solas-water-activated-rescue-strobe-light](https://www.desertcart.com.cy/products/4940544-3971-3-firefly-pro-solas-water-activated-rescue-strobe-light)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-11-08*