The HydroStar SOS SeaStar Deluxe features 5 light settings including a 1 watt LED strobe and 360 degreedeck light with removable red/green navigation lens covers. Features an integrated safety whistle and lanyard clip for lashing. Submersible to 50 feet. Magnetic base and suction cup base included for versatile mounting. Dimensions: 6" x 1.25". Wt: 6.1 oz.