Get sparkling results with this Electric Sonic Dental Scaler Waterproof and safe to use Designed to easily remove calculus, tea stains, smoke stains and more Suitable for daily use and can be taken with you on the go. Professional grade alloy metal cleaning head Rated Power: 3.7V Charging voltage: 5V Rated current: 200mA Keep your mouth squeaky clean with this Electric Sonic Dental Scaler - save 67%