ZK Technology is One of the largest providers in the world, she has sold over 8.5 million units and serves customers in over 180 countries. We have been awarded 80 patents and earned a reputation for technical innovation, quality, market and reliability. We also boast one of the fastest commercial fingerprint matching algorithms on the market today, with lightening fast verification in less than two seconds and support for up to 10, 000 users! This is why ZK Technology is the manufacturer of choice for so many OEM software developers, ODMs, integrators and dealers thoughout the world. ZKTechnology offers local business service and support with the offices in USA, Spain, Mexico, Brazil, South Africa, Turkey, Dubai, India, Thailand, Hongkong, , Indonesia, and China.