chi trimmer Ceramic Blade Ceramic blades provide smooth and precise cuts every time Suitable for dry or wet cutting without drag or pulling the hair Effective on ALL hair types Sharper for longer. Lasts up to 25 times longer that conventional steel blades Rust and corrosion free, no grinding Blades stay cool, low maintenance just clean once a week with oil and brush provided Powerful Works for up to 60 minutes, at a time. Long lasting battery: (DC 1.2 V) High cutting power blades and motor (AC 120V) Charges fully in only 8 hours Charging indication lamp Versatile Comes with option to use cradle to charge or plug in cord to charge and cut at the same time Operates with or without cord for on going usage Use for trimming and clean hairlines, also powerful enough to use for complete haircut Light weighted design makes it easier to control and use