The L8-5 is a U.S. Coast Guard approved water-activated LED survivor locator light that is approved for use on life vests or life preservers to indicate the location of survivors in water as a result of a marine related accident or distress situation. The lamp and lens combo of the L8-5 produce a powerful light that will last for a minimum of 8 hours after activation with a minimum light intensity of 1 cd. Throughout its entire operational life, the light will continuously output a steady white light to clearly indicate a survivor’s location and increase the probability of rescue.

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  • High Efficiency LED Bulb
  • Simple Life Jacket Integration
  • Ultra Small and Light Weight Design
  • Water Activated (Fresh and Salt Water)
  • Five year battery life*


*Assuming light does not accidentally come into contact with water and is stored as per stated storage requirements

Technical parameter Specification
Light Type Steady white light
Battery Type Water activated reserve battery
Activation method Automatic activation (Remove the manual pull-ring and immerse the battery pack in water)
Minimum light intensity and operational life Minimum light intensity of 1cd (>1 Nautical Mile visibility) during minimum 8 hour working time
Activation time Less than 1 minute in 59°F ± 9°F (15℃ ± 5℃) fresh or sea water
Battery life 5 years
Working Temperature 35.6°F ~ 86°F (2℃ ~ 30℃)
Storage Temperature -22°F ~ +149°F (-30℃ ~ 65℃)
Dimensions Battery pack body: 2.68 x 0.98 x 0.36” (68 x 24.8 x 9.2 mm)

Lamp: φ1.5 x 1.06” (φ38.2 x 26.9 mm)

Weight 30g ~ 43g (varies based on wire length)
Performance Fire-resistant, Oil-resistant, Mold-proof,

Corrosion-proof, Water-proof

Environmental Performance Meets RoHS and asbestos-free requirement
Standards USCG 161.012, EN55015, EN61547
Certifications USCG, CE


This product is warranted against factory defect in material and workmanship for a period of 1 (one)* year from date of purchase or receipt as a gift. During the warranty period ACR Electronics, Inc. will repair or at its option, replace at no cost to you for labor, materials or return transportation.
For further assistance, please contact our Technical Service Department at:


ACR Electronics, Inc.

5757 Ravenswood Road, Fort Lauderdale, FL 33312-6645

Email: service@acrelectronics.com

Telephone: +1 (954) 981-3333

Fax: +1 (954) 983-5087
This warranty does not apply if the product has been damaged by accident or misuse, or as a result of service or modification by other than the manufacturer.  The COMPANY MAKES NO REPRESENTATION OR WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, AS TO MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, OR ANY OTHER MATTER WITH RESPECT TO THIS PRODUCT, except as otherwise expressly stated in the previous paragraph. The Company shall not be liable for consequential or special damages. In order to place the warranty in effect, choose a form above and complete it entirely. Or you may fill out the registration card accompanying your product (if applicable) which must be returned to ACR Electronics, Inc. within ten days of purchase.