ACR Electronics C-Strobe LED Light Jacket Emergency Signal USCG, SOLAS Part 3965

ACR Electronics C-Strobe LED Light Jacket Emergency Signal – USCG & SOLAS – Part 3965

The ACR Electronics C-Strobe LED Light Jacket Emergency Signal (Part 3965) is a compact, high-visibility personal safety light designed to dramatically increase survivability in emergency situations at sea. Approved to USCG and SOLAS standards, this powerful LED strobe is ideal for life jackets, immersion suits, and survival gear used in both recreational and commercial marine environments.

Featuring an ultra-bright LED strobe, the C-Strobe produces a highly visible flashing signal that can be seen from long distances, helping rescuers quickly locate individuals in low light, darkness, or rough conditions. The light activates automatically when submerged in water and can also be manually activated, ensuring reliable performance when it matters most.

Built for durability, the C-Strobe is fully waterproof, impact-resistant, and designed to withstand harsh marine conditions. Its compact, lightweight design allows for easy attachment to life jackets without adding bulk, making it an essential piece of safety equipment for boaters, offshore workers, and professional mariners.

Key Features:

• High-Intensity LED Strobe: Enhances visibility for rapid rescue response

• Automatic & Manual Activation: Activates upon water immersion or via manual switch

• USCG & SOLAS Approved: Meets international marine safety standards

• Compact & Lightweight: Ideal for life jackets, PFDs, and immersion suits

• Waterproof & Rugged: Built for extreme marine environments

• Long Battery Life: Designed for extended emergency signaling

• Easy Attachment: Secure mounting to life jackets and safety gear

• Trusted ACR Electronics Quality: Industry-leading marine safety technology

• Part Number: 3965

The ACR C-Strobe LED Light Jacket Emergency Signal is a critical safety upgrade that delivers reliable visibility, proven durability, and compliance with global safety regulations—helping ensure you’re seen when every second counts.

Features:

• For location assistance during low-light emergencies

• Exceedingly bright 45 Lumen white LED

• Extended continuous operation of over 120 hours

• Waterproof tested for 24 hours at 3.3 feet (1 meter)

• Impact-resistant case for durability

• Uses two AA 1.5V batteries (not included)

• USCG and SOLAS approved for maritime safety

• Suitable for life jackets, camping, biking, and auto use

• Includes Velcro strap and lashing loops for flexible mounting

• Comes with a PFD clip for easy attachment to inflatable life jackets
• Water activation sensors for automatic operation when immersed

Technical Specifications

• Model / Part Number: ACR C-Strobe 3965 (bulk) / 3965.1 (carded) 

• Light Type: High-intensity LED strobe (45 lumens)

• Operation: Manual twist On/Off activation 

• Activation Method: Manual only (no automatic sensor) 

• Battery: (2) AA batteries — not included

• Lamp: White LED 

• Operational Life:
  • >100 hours at -1 °C (strobe mode)
  • >120 hours at 30 °C (strobe mode) 

• Waterproof: Tested for 24 hours at 3.3 ft (1 m) water immersion 

• Certifications: USCG (United States Coast Guard), SOLAS (International Maritime Safety), CE, Transport Canada 

• Size: 5.06″ × 1.38″ × 1.2″ (12.85 × 3.5 × 3.0 cm)

• Weight: ~1.2 oz (33 g) without batteries

• Reverse Battery Protection: Yes

• Mounting/Accessories: Includes (with carded version) a PFD clip, lanyard, and Velcro strap for attachment to life jackets or gear 

These technical specs make the ACR C-Strobe a lightweight, reliable emergency signaling device that can help rescuers locate a person in low-light or overboard situations.