OSIR Rechargeable Cordless Pro Pet Grooming Clipper,Light Duty and Low Noise Dog and Cat Trimming Kit with Comb Guide Sharp and Never Stuck with Fur - Ceramic movable sawtooth match the stationary import stainless steel blade. Cordless and Equipped Charger - Quick charge in 1 hour and a half,can use more than 120 minutes. Silence Design Idea - Make dog and cat at ease,low noise,low vibration but with strong power. Use Lithium Iron Phosphate Battery - Battery life extends to 1500 times,3 times as long as the normal battery. LED Screen - Three level shows you electricity usage.