What is the installation method for this light?

It has a plastic clip on the back that would fasten to a strap on your life jacket. Once the clip keeper is pressed or snapped in, it would be a little difficult to remove from the strap on the life jacket.

Can this light be manually activated?

No, this light is only activated when it touches water. You are able to deactivate it manually.

Are batteries replaceable?

Product Number 3764 Strobe (Bulk), 3764.1 Strobe (Carded) Model Number HL3 Size 2.44 x 1.19 x 1.13" (6.19 x 3.02 x 2.87 cm) Weight 0.98 oz (28 g) Battery Non-hazardous lithium. 5 year life (non-replaceable). Meets DOT and IATA rules for safe transport. Material Polycarbonate Activation Automatic when in contact with water (fresh or salt), deactivate via manual off button. Waterproof Water tight to 10 ft. (3 m). Meets IMO standard. Beam Angle All directions of the upper hemisphere. Operational Life Exceeds 8 hr. requirement, typically 20+ hours Operating Temperature +30°F to +86°F (-1°C to 30°C) Stowage Temperature -22°F to + 149°F (-30°C to +65°C) Approvals USCG SOLAS, MED SOLAS

Acr Hemilight3 Hl3 Automatic Survivor Locator Light Acr Hemilight 3

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🚨 Stay Seen, Stay Safe — The Ultimate Survival Light Upgrade

COMPACT YET POWERFUL - Smaller than competitors, preserving jacket integrity
LONG LASTING ILLUMINATION - Up to 8 hours of continuous flashing light
RELIABLE WATER ACTIVATED SAFETY - Automatically flashes upon water contact
EFFORTLESS LIFE JACKET INTEGRATION - Retrofits in seconds with universal clip & loops
TRUSTED BY PROFESSIONALS WORLDWIDE - Preferred by cruise lines & commercial vessels

The ACR HemiLight3 HL3 is a compact, water-activated survival locator light approved by MED, SOLAS, and USCG. Designed for quick attachment to nearly any life jacket, it delivers up to 8 hours of flashing light, making it the trusted choice for cruise lines and commercial marine vessels worldwide.

Specifications

ASIN	B01IJKHPLE
Battery Average Life	8 Hours
Best Sellers Rank	#67,077 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #23 in Boat Strobe & Safety Lights
Brand	ACR
Brand Name	ACR
Color	No Color
Customer Reviews	4.4 out of 5 stars 115 Reviews
Included Components	Great Product
Is Electric	Yes
Item Dimensions L x W x H	1.19"L x 1.13"W x 2.44"H
Item Type Name	Great Product
Item Weight	0.06 Pounds
Manufacturer	ACR Electronics
Manufacturer Part Number	3764.1
Manufacturer Warranty Description	Warranty
Material	Plastic
Material Type	Plastic
Model Number	3764.1
Number of Pieces	1
Power Source	Battery
Product Dimensions	1.19"L x 1.13"W x 2.44"H
Style	Locator Light
Style Name	Locator Light
UPC	791659003633
Unit Count	1.0 Count

Reviews

S**M

15.07.2025

J**Z

30.08.2024

C**.

7.01.2024

M**.

14.10.2024

D**S

29.10.2021

G**.

30.06.2024

D**N

21.12.2023

A**R

24.07.2023

V**S

23.03.2026

J**S

14.08.2025

A**G

27.01.2023

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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