· It is especially preferred by doctors and is also widely used by beauty salons · Device features: · Brand / model: Dr pen a6 · Warranty period: 2 years · Body-Accents: Aluminum · Speed: 18000rpm (5 stages) · Battery: 500mah (2 pieces) · Usage: Rechargeable & corded · device set includes: · 1 microneedling device · 2 spare batteries · 1 110/220v adapter · 1 protective box of the device · 1 user manual · areas of use: · It is used for acne and dry acne scars, skin blemishes and blackheads, wrinkles and anti-aging applications, under-eye bags and bruises, removing sagging and tightening the skin, cellulite, stretch marks and birthmarks, dermapen usage: Insert the adapter into the port at the back of the device. Attach the needle cartridge to the tip of the device, turn it slightly clockwise and seat it · Adjust the needle size from the part above the attached needle head · You can operate the device by pressing the on/off button for a long time · With each short press of the on/off button, the operating speed will increase by 1 step · Press the on/off button while the device is running You can turn off the device by long pressing