Product Description Product Introduction F7 is a widely used Access Control in the office. Choosing a lot of stable original parts, strictly follow the national security product standard. F7 is 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 F7 is easy to install, with multifunctional & elegant design and reasonable price.