Biometric system are widely used for Attendance and Access Control in the office, factory etc. Choosing a lot of stable original parts, strictly follow the national security product standard. Biometric system's are suitable for the entrances and exits of office, factory, hotel ,school ,etc . All input /output are using anti-jamming protection and over-voltage/circuit protection. The product experiences the strict degradation test before leaving factory. The greatest advantage of Biometric device is easy to install, with multifunctional & elegant design and reasonable price.