Rescue Laser Flares are safer, more effective and longer lasting than pyrotechnic signaling flares.
Green Rescue Laser Flare – 5 hour battery life, visibility of 3-5 miles in daylight and up to 30 miles at night. Water proof to 80 feet. Draws 6000ft signal line at 16 miles.
GLF032-01 Green 5 hour, 30 mile laser flare