Efficient Calculus Remover: Electrical calculus remover that effectively removes dental plaque, calculus, and stains, including hard tartar on teeth. High Quality and Safe Materials: Made with alloy steel and food-grade silicone for a non-slip grip; designed for use on teeth and gums. Variety of Functions: Button controls with clear functions to simplify operation, including automatic mode. Power Supply: Operates on 2 x 1.5V AA batteries (not included). Effective Cleaning: Flat cleaning tip gently removes surface buildup without damaging enamel; helps clean and polish teeth. Designed with high-quality materials to deliver reliable performance and a comfortable user experience. Please review product dimensions and specifications in the title and description to ensure compatibility with your needs. For best results, follow all usage instructions carefully.