• High-frequency charger/maintainer • Keeps battery at optimal capacity during off-season • Perfect for battery maintenance, charging RVs, specialty vehicles, antique & classic cars, marine deep-cycle batteries, motorcycles, lawn mowers, ATVs, snowmobiles, personal watercraft & more • Waterproof--sealed from oil, dust & moisture to prevent corrosion• Submersible to 3ft• 3 ways to connect to battery--clamps, O-rings & 12V DC cord• Fully automatic, regulated charge for maximum efficiency• ETL listed for safety UPC : 814632011255 Shipping Dimensions : 10.00in X 6.00in X 3.75in Estimated Shipping Weight : 2.48