Key Features Variable Polarization – Switch between polarized, non-polarized, and parallel modes. UV Lighting (365 nm) – Allows detection of fluorescent structures. Powerful LED flashlight – Ideal for examining large areas of skin. Built-in measuring scale (100 mm) – Magnetic attachment for convenient measurement of lesions. Long-lasting battery life – The battery capacity is twice as large as that of the DL4. Universal compatibility – Compatible with smartphones and tablets via the MCC™ adapter.