Pets Dog Cat Nail Claw Grooming Grinder Trimmer Electric Nail File Pedicure Tools Rechargeable * How to use (please read complete manual before use): 1) Charge the grinder fully via USB until the lights turns green. 2) Ensure your pet is calm and comfortable around the noise of the tool. 3) Trim 4) Clean up and put it back. * Please note - this grinder is not waterproof and not washable. Needs to be cleaned with a dry cloth. * Recommendation- treatment should not last for more than 5 seconds each time, for pets comfort. Specifications: Size: 3.5 x 15.4cm Charging Method: USB Charging Built-in Ni-Cd Battery: 3.6V/ 2000mA Voltage: DC3.6V Charge time: 2-3h Color: Black/ White Package Included: 1 x Nail Grinder 1 x Micro USB cord 1 x User Manual Note: 1. Please allow 1-3cm differences due to manual measurement, thanks 2. Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.