SUPER EASY TO USE: Tilmann microneedle pen is specially designed for home use. Safe, sanitary and less painful, people with zero experience can get started and receive professional spa results. PROFESSIONAL CARTRIDGES: Tilmann cartridges adopt individual aseptic packaging for disposable use, with no need for extra sterilization. After massive research, the most practical 16 pins, 36 pins, and painless nano needling are included for you. WIRELESS OPERATION: Tilmann microneedler pen is rechargeable, supporting quick charge and having ultra long standby time. Very easy to use at home or carry around. ENHANCED SPEED SETTINGS: Considering individual differences in skin conditions and sections, Tilmann electric dermapen upgraded its motor power and optimized its 6 working speed settings from weak to strong. It works by automatically going in and out on skin, super resultful and practical. ADJUSTABLE NEEDLE LENGTH: By turning the rotary dial, you can freely choose the needle length according to your actual needs. Its wide range takes all skin concerns and conditions into consideration.