1) IP68 Waterproof/ Rainproof, can be install outside. Metal case with blue backlight 2) Memory capacity: 2000 user cards. Support Card, password, Card + password to open the door. Very easy to program 3) Full programming from the keypad,Humanized tamper alarm function. With time delay 4) With WG26 input/output, can connect to a extra card reader; With door bell button, can connect to a extra door bell 5) Does not need to connect to computer, item can works alone. Working with DC12V Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 7-14 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it