ACR SM 2 Automatic Crew Overboard Xenon Strobe DOWNWIND POLES Use of rubber gloves is Warm white Use of rubber gloves is recommended You should service your winches at least once during the preseason the SM 3 floats upright in all conditions Bright light in all directions (360° visibility) UV resistant polycarbonate case Lightweight and compact in size Easy bracket installation The bracket is included and maintains same hole pattern as SM 2 for easy retrofit Automatically rights itself and activates when in the water High intensity LED strobe Floats upright in all conditions Minimum 40 hours continuous operating life at 30oC (86oF) or over 24 hours at 1oC (30oF) User Replaceable AA Energizer L91 Lithium Batteries (Not Included)