Meet the ACR Firefly Pro Waterbug bulk LED Strobe Light — a SOLAS-approved beacon built for serious operations. This bulk-packaged unit isn’t carded for retail display, making it ideal for fleets, agencies, and professional deployments that demand reliable visibility when every second counts.
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Product Number: 3970.4 (Bulk)
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Bulk packaging: Bulk-packaged unit not carded for retail display, ideal for fleets, agencies, and professional deployments.
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Water Activation: Water-activated technology automatically powers the light when submerged for instant visibility.
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Activation Modes: Four modes — Armed automatic water activation, ultra-bright strobe, SOS strobe for signaling, and Steady-On for close-up work.
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360-Degree Visibility: 360-degree beam with cool white LEDs; brightness over 41 candela and visible beyond 3.5 miles.
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Endurance: Energy-efficient electronics and a smart microprocessor yield a minimum 56-hour run time.
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Light Color: Tint-free cool white light for maximum distance and clarity in all conditions.
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Durability: Waterproof to 33 feet (10 m); factory-tested for reliability in harsh environments.
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Physical Specs: Size 4.4 x 2.2 x 1.2 inches; Weight 2.39 oz (68 g) without batteries.
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Lamp: LED lamp — cool white.
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Strobe Intensity: 26.8 candela minimum.
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Strobe Visibility: Over 3.2 miles.
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Strobe Flash Rate: 60 flashes per minute (P/M +/-).
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Strobe Operation: 56 hours minimum.
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Certification: SOLAS – Pending, USCG – Pending, IMO LSA – Pending, CE – Pending.
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Operation: Manual ON/OFF switch and Water Activation.
Designed for reliability in critical moments, the Firefly Pro Waterbug combines advanced optics, extended burn time, and easy operation with bulk packaging that’s ready for professional usage. Whether you’re leading a rescue mission, conducting recovery operations, or coordinating Search and Rescue efforts, this strobe light provides dependable visibility and steadfast performance when it matters most.
| Product Number | 3970.4 (Bulk) |
| Size | 4.4 x 2.2 x 1.2 inches / 11.7 x 5.7 x 2.8 cm |
| Weight | 2.39 oz (68 g) (without batteries) |
| Operation | Manual ON/OFF switch and Water Activation |
| Waterproof | Factory tested to 33 feet. (10 m) |
| Lamp | LED - cool white |
| Strobe Intensity | 26.8 Candela minimum |
| Strobe Visibility | Over 3.2 miles |
| Strobe Flash Rate | 60 P/M +/- |
| Strobe Operation | 56 hours minimum |
| Certification | SOLAS - Pending, USCG - Pending, IMO LSA - Pending, CE - Pending |
