Buztronics, Inc. 1043420 Light-Saver Marine Distress LED Strobe Light

Small and unobtrusive, this water-activated, bright LED strobe can be seen over one mile at night. The buoyant, waterproof plastic case measures just 2"L x 1"dia. and comes with three pre-installed AG13 batteries with 80-100 hour operating life. Includes a lanyard and clip for attachment to PFDs or other items on your boat. Not USCG approved. Light Type: LED Maximum Range of Visibility: Up to one mile Battery Type: Three AG13 Battery Life: 80 100 hours Case Material: Plastic Dimensions: 2"L x 1"dia. Attachment Method: Lanyard and clip for PFD attachment Type Approval: NOT USCG approved « less