MAIN FEATURES: RFID card access control has 8 auxiliary modes including: door ajar, forced door, shunt, door monitor, normal / secure. 2 modes of : normal mode, secure mode. 3 user levers : normal user, secure user, master user. EASY TO USE: Brand new with high quality and high security with blue backlight. Support entry modes : Password Only / ID Card Only / Password + ID Card. HIGH SECURITY: With lock relay output, secure / normal Mode, NO / NC output. Built-in proximity card reader (125KHZ ASK modulation). Metallic case for better protection, sturdy and Alarm function with internal buzze. SUPPORT 1000 USERS: Access control keypad supports 1000 standard users, and auxiliary input & auxiliary output. Can add card number and delete card number depending on your requirement, sensitively and response quickly. AFTER-SALE SERVICE: We solemnly promise you that if you find problems with the product itself, you can contact us in time. we will definitely give you a reply in the first place and return it for you. please feel free to use it.