Single door controller series, essl201be/m series access controller is offered by enterprise software solutions lab. It is composed of keypad, lcd, controlling motherboard and back cover. The product is unique security of proximity card and smartcard, intelligent and secure access control system. It also consists of electronic-controlled lock, door magnet, infrared inductive device and network communication. It is strengthen with functions of security and monitoring with network and widely applied in intelligent access control, electronic monitoring, security, attendance recording, and night patrol and data collection. The product is available with multiple way door opening facility and that has manual button and remote opening.