Precision, Performance, and Personalization Pro Pen includes the following features: + 4 cartridge options for personalization + Grip for treatment precision + Stitch depth customization 0.2 to 1.5 mm + Battery and cable operated + 6 speeds 7500 to 8600 RPM . . . . . . . . #dermalogicaPRO #dermalogica #dermalogicaskincare #professionalskincare #skincareprofessional #skintherapist #professionalskintherapist #skincarecommunity #skinexpert #professionalskintreatment #DermalogicaProPen #microneedling #nanoneedling