UST See-Me Waterproof LED Light, USCG Approved, Steady-On and Strobe, Yellow Duo LED light Impact- resistant Personal locator Steady-on operation provides 37 lumens of light while strobe operation provides 45 lumens of light Dual-ended operation; Steady-on light on one end and strobe on the other Strobe rate is 60 flashes per minute Beam distance is 68 feet Unbreakable lifetime LED bulbs never need replacing