►1000 cards can be set, with 1000 standard user capacity. ►You can open the door by sensor, password, card + password and card /password four working methods. ►Card reader password disk is battery powered and no need to wiring. The use of the operation is concise and clear, the card increase and decrease is flexible, and the card can be deleted offline. ►Adopt dialing code switch coding, flexible and simple to prevent adjacent doors interfere with each other effectivelly.