This is a Inductive Card Keyless Controller Power Supply Door Access System.Automatic time adjustment, data download, making account of attendance and working out multi format attendance report forms. This system have one built-in reader. Keypad is housed in a rugged, white plastic enclosure. Frequency of card-read device and identification of inductive card. Digital Door Access Controller designed for access control applications. Plastic enclosure and is designed to be mounted in a standard single-gang electrical box. To mainly apply to the door access control by inductive card or common password, inductive card and personal password.This Door Access Controller is wonderful for home and office high security.