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🚨 Stay Seen, Stay Safe: The Ultimate Marine Signal Light You Can’t Afford to Miss!
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.




















| 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 |
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