MOB BEACON SM-3 AUTOMATIC LED STRB

Manual Activation; Facilitates Rescue By Automatically Activating Strobe When In The Water; Life Buoy LED Flash Light; 40 Hours Operational Life At 86 Degree Fahrenheit/ 24 Hours Operational Life At 30 Degree Fahrenheit; 2.2 Inch Diameter x 9.9 Inch Length; USCG/ MED/ SOLAS Certified; With Polycarbonate Bracket; Works With 2 AA Lithium Batteries(Sold Separately)