The worlds most compact electronic distress flare, the Ocean Signal RescueME EDF1 offers a safe and long-lasting solution to visual signaling in an emergency. The unique lens design â combined with the use of advanced LEDs and highly efficient circuit technology â ensures a constant level of light output throughout the life of the user-replaceable battery. The light output is a beam of over 30° throughout the full 360° azimuth, providing in excess of 6 times more light coverage than other electronic flares. Light is also distributed throughout the hemisphere above the unit to ensure visibility from the air. Unlike single-use pyrotechnic flares, the RescueME EDF1 can be used repeatedly in any of its four modes, ensuring continued visibility is maintained over a longer period. The unit is both safe to store and operate while also eliminating any worries associated with disposal. The compact size and rugged design means the RescueME EDF1 is the perfect safety product for a grab bag, life raft, or hiker's backpack. KEY FEATURES:• Excellent visibility for aircraft and helicopter search-and-rescue• Up to 6 hours of battery use• Constant brightness maintained throughout the life of the battery• Four modes of operation, plus SOS signaling• Easy-to-change, replaceable battery• Range of up to 7 miles• Waterproof to 10 meters• Battery test function Provides over 6 times more light coverage than other electronic flares Can be used repeatedly in anoy of its four modes Compact size & rugged design for convenience & long-lasting use | Ocean Signal RescueME EDF1 Electronic Distress Flare