The M2-S™ fingerprint scanner was designed for use with all standard fingerprint Software Development Kits (SDKs) available on the market. Our most durable fingerprint scanner, The M2-S’ ergonomic design promotes perfect finger placement with each fingerprint scan to produce an optimized fingerprint image with maximum captured surface area. This fingerprint Reader was designed around the Digital Persona U.Are.U 4500HD (high-durability) fingerprint sensor.