1.Professional nail care kits 2.Working with clockwise rotation 3.Operated by AC adaptor 4.LED working indicator Professional nail care kit-for toe and finger nailsProfessional nail care kit-for treatment of hard skinWorking with clockwise rotationVarious interchangeable attachments for various functionsOperated by AC adaptorLED working indicatorCharging time:3.0 HWorking time: 3.0 H