• For Home Use – designed for skincare enthusiasts seeking professional results • Smart Digital Display – 6-level adjustable scale with non-slip control for precision • Nano-Chip Technology – made from monocrystalline silicon, gently opens absorption channels without damaging the dermis • Enhanced Nutrient Absorption – improves skincare effectiveness, painless and safe • 4 D Nano (Adjustable ) • Delivered with 2 ink cartridge 12 pins • Certified Quality – RoHS, CE, PSE & FCC certified for international safety standards