The QV-500 Vein Finder is a reliable, portable device designed for accurate and timely projection of blood vessel images onto the skin's surface. Its ergonomic design ensures comfortable use, while optional desktop stands and mobile trolleys provide versatility for various clinical settings. Designed to facilitate venous access in patients with difficult-to-locate veins, regardless of skin tone or body type, including those with obesity. The QV-500 is equipped with twelve color modes, three size options, and five brightness levels. Additional features include inversion and enhancement modes to improve image clarity, and a sleep mode to conserve power during short breaks.