The 100%-waterproof mini-LED flashlight which inflates to become a floating emergency beacon with 2 distress modes. Innovative eLite flashlight, heavy duty battery supplied. Patented find in the dark glow with up to 2 years battery life. Full beam up to 40 hours and low beam up to 200 hours. Meets US Coast Guard signaling time requirements with strobe and SOS modes with up to 100 hours of battery life.