Dr. Pen H5 Microneedling Pen Key Features Detachable Serum Container The Dr. Pen H5 features a detachable serum container that makes applying serums easier and ensures even distribution across the skin. With automatic 360° coverage and adjustable liquid flow settings, you can customize the flow to suit different serum thicknesses using its 1-3 level adjustment. This design ensures a smooth and consistent application and prevents reverse flow, enhancing the effectiveness of treatments. Advanced 4-Level EMS Technology The Hydra Pen H5 4-level microcurrent EMS technology delivers continuous multipolar currents deep into the skin, promoting collagen production for enhanced skin rejuvenation. 6 Intensity Levels for Targeted Treatment Tailor treatments with six adjustable speed levels designed to customize skin penetration and intelligent speed adjustment. You can personalize the Dr. Pen H5 intensity level to suit your skin type and concern.