Perfect for use on board your boat or on the road, this high-quality ProMariner ProSport Cup Holder Power Inverter conveniently converts 12-volt battery power to 110V AC to power radios, cell phone chargers, digital cameras and MP3 players. Equipped with output short and input polarity protection as well as high temperature and overload protection. The Power Inverter's unique shape lets it fit inside any cup holder.Specifications Surge capability 2250 WInput 12 VDCOutput 110 VACOutput frequency 60HzBattery low alarm / shutdown 10.5 VDC / 10 VDCSize 6 L x 2.625 W Cable length 3 ft Features Converts 12-volt battery power to 110V AC up to 150 watts Extruded aluminum case High surge capacity 250 W Power/status LED indicators Standard 110V AC receptacle Output short and input polarity protection Low battery shutdown Over-temperature and overload protection Cable length 3' Size 6'' L x 2.625'' W Manufacturer's 1-year warranty Pro Marinr Prosprt Cuphldr Pwr Invrtr Max 150Wtts Ac 79018