Specifications: 1. Professional Dr. Pen with 2 Rechargeable Batteries. 2. Both wired and wireless mode in one 3. Product name: Auto-stamp Motorized Meso Machine. 4. Model name: Dr.pen Ultima A6. 5. Needle material: titanium alloy. 6. Equipped with high speed motor RMP 7. Safe blue needle cartridge 8. MTS & PMU( permanent makeup) available Functions: 1. Scar removal including acne scar removal or treatment. 2. Acne Scar Removal Acne Scar Treatment. 3. Anti Wrinkle Treatment Anti Aging. 4. Hair Loss Treatment or Hair Restoration. 5. Surgical Scar Removal. 6. Hypers pigmentation treatment. 7. Treatment of acne scars and healing wounds. Advantages: 1. Visual and noticeable improvement in a few days from the first treatment. 2. Short healing time. 3. No permanent damage or injury. 4. No bruising infection discoloration or other complications. 5. Extremely high absorption of any active ingredients. 6. Almost all skin types can be treated. 7. Thickens the dermis without damaging or removing epidermis. How to Operate: Preparation: 1. Take out needle cartridge in the sterilized packing. 2. Fitting round slots 1 into 2 of machine push needles cartridge horizontally up to the end. 3. Lock the cartridge by turning it to the counter clockwise. 4. Adjustment of needles length should be done after turn on the machine. 5. If you want to remove the needle cartridge turn it to the clockwise and push out horizontally fitting round slots (slot 1 slot2) together. Adjustment of speed and needle length: 1. Adjustment of Speed and ON/OFF. 2. 5 speed level control. Pressing the switch 2 seconds to open the device. It starts from the lowest speed to highest speed when you turn on the power firstly. The speed cycles low to high. Please press the switch 2 seconds when you need to stop the device. 3. Adjustment of needles length. You can adjust the length of needle by turning the adjustment ring clockwise or counter clockwise. Turning it clockwise length of it will be longer. Turning it counter clockwise length of it will be shorter. includes: 1 x Electric Dr. Pen 1 Set x Needles 1 x Manual