12 volt/15 A electric trolling motor for small inflatable boats. Exclusive mounting for all Sevylor boats with the SBM18 fittings. Also includes clamp for all boats with a transom or motor mount. (Maximum opening: 5.7") Designed for fresh water use only. 2 blade, weedless propeller.Power: 180W Size: 31.5" 2 speeds forward/2 speeds reverse Weight: 5.4 lbs 18 lbs. thrust.