Features: 100% Brand new with high quality and high security with blue backlight. Support entry modes : Password Only / ID Card Only / Password + ID Card. 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 durable. Alarm function with internal buzze. 8 Auxiliary Modes including : door ajar, forced door, shunt, door monitor, normal / secure. 2 modes of operation : normal mode, secure mode. 3 user levers : normal user, secure user, master user. Support 1000 standard users, and auxiliary input & auxiliary output. Can add card number and delete card number depending on your requirement, sensitively and response quickly. Specifications: Shell: metal case Color: Silver Keyboard: 12 keys Support card frequency: 125Khz Opening mode: card, card + password Support card type: ID card Capacity: 1000 users Size: 7.7*12*2.8cm/3.0*4.7*1.1in Package Weight: 410g/14.5oz Package List: 1 * Metal Door Access Control 1 * English Manual Note: After the product is wired and powered on, if the bottom plate is not fixed, a tamper-proof alarm will be issued. And the product is not waterproof and cannot be installed outdoors. .