--- product_id: 4940544 title: "ACR 3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light" price: "₨58171" currency: LKR in_stock: true url: https://www.desertcart.lk/products/4940544-acr-3971-3-firefly-pro-solas-water-activated-rescue-strobe store_origin: LK region: Sri Lanka --- # 360° water-activated beam, 3+ miles visibility 41 candelas ultra-bright output 56 hrs strobe on AA lithium batteries ACR 3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light **Price:** ₨58171 **Availability:** ✅ In Stock ## Summary > 🚨 Stay Seen, Stay Safe: The Ultimate Marine Signal Light You Can’t Afford to Miss! ## Quick Answers - **What is this?** ACR 3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light - **How much does it cost?** ₨58171 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/4940544-acr-3971-3-firefly-pro-solas-water-activated-rescue-strobe) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Unmatched Visibility:** 360° beam visible over 3 miles, delivering superior brightness that meets SOLAS & USCG standards. - • **Compact & Ready-to-Go:** Lightweight, pocket-sized design fits seamlessly in life jackets or survival kits for instant access. - • **Extended Battery Life:** Powered by AA lithium batteries offering up to 56 hours of strobe time—double the competition. - • **Triple Activation Modes:** SOS, Strobe, and Steady-On modes for versatile, reliable signaling in any emergency scenario. - • **Military-Grade Durability:** Rugged casing built to withstand harsh marine environments, ensuring your safety gear never fails. ## Overview The ACR Firefly Pro Waterbug is a SOLAS and USCG certified military-grade LED strobe light designed for marine safety. Featuring a powerful 41-candela output with 360° water-activated visibility over 3 miles, it offers SOS, strobe, and steady-on modes powered by long-lasting AA lithium batteries. Compact and rugged, it fits easily into life vests and survival kits, delivering reliable emergency signaling with up to 56 hours of strobe time—exceeding industry standards for durability and performance. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00KC68SVA | | Batteries are Included | No | | Best Sellers Rank | #147,991 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #44 in Boat Strobe & Safety Lights | | Brand Name | ACR | | Color | Yellow | | Customer Reviews | 4.6 out of 5 stars 54 Reviews | | Finish Type | Natural | | 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 | | Item Weight | 2.4 ounces | | 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 | Plastic | | Material Type | Plastic | | Model Number | 3971.3 | | Mounting Type | Table Mount | | Number of Batteries | 1 Lithium Ion batteries required. | | Number of Light Sources | 1 | | Power Source | Battery Powered | | Shape | Rectangular | | Smart Home Compatibility | Not Smart Home Compatible | | Specification Met | approved | | Style Name | Lights | | UPC | 791659003411 | | Unit Count | 1.0 Count | | Voltage | 12 Volts | ## Product Details - **Color:** Yellow - **Finish Type:** Natural - **Light Source Type:** Light Emitting Diode - **Material:** Plastic - **Shape:** Rectangular ## Images ![ACR 3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light - Image 1](https://m.media-amazon.com/images/I/71lF2grKeYL.jpg) ![ACR 3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light - Image 2](https://m.media-amazon.com/images/I/51N5RUpRGaL.jpg) ![ACR 3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light - Image 3](https://m.media-amazon.com/images/I/811n2tDTgRL.jpg) ![ACR 3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light - Image 4](https://m.media-amazon.com/images/I/71c7O90XQcL.jpg) ![ACR 3971.3 Firefly PRO Solas Water Activated Rescue Strobe Light - Image 5](https://m.media-amazon.com/images/I/71vu3xF8vFL.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.lk/products/4940544-acr-3971-3-firefly-pro-solas-water-activated-rescue-strobe](https://www.desertcart.lk/products/4940544-acr-3971-3-firefly-pro-solas-water-activated-rescue-strobe) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-05-28*