Ocean Signal EDF1 Electronic Flare - LED The electronic emergency flare rescueME EDF1 provides users with a safe and durable solution for visual signaling in an emergency. The unique lens design combined with the use of advanced LEDs and highly efficient circuit technology ensures constant light output throughout the life of the user-replaceable battery. The unique lens design combined with the use of advanced LEDs and highly efficient circuit technology ensures constant light output throughout the life of the user-replaceable battery. The light output is a beam of over 30° throughout the entire 360° azimuth, which provides more than 6 times more light coverage than other electronic beam ranges*. The light is also distributed across the entire hemisphere above the device to ensure visibility from the air. Unlike disposable pyrotechnic torches, the RescueME EDF1 can be used repeatedly in any of its four modes to ensure visibility is maintained for an extended period of time. The device is both safe to store and operate while eliminating any worries associated with disposal. Features: Advanced LED Technology - Safe operation, compact, robust design, excellent 360 degree visibility, excellent visibility for aircraft and helicopters. SAR Up to 6 hours of battery life. Constant brightness throughout the life of the battery; four operating modes plus SOS signal; easy to change battery. Range up to 7 km. Water resistant up to 10 m. Battery test function.