100% High quality and high security.Sensitively and response quickly.Support 500 standard users.Support card password， card plus password & password plus card.Can add card number and delete card number as your requirement.Classical appearance with useful function.Professional design，great for home and office，come with user manual.Ideal for homes and offices.Specification:Working voltage: DC 12VUnlock current: ≤1000mAStatic current: ≤60mAMemory: 500 standard usersCard read distance: 0-15 cmRF type: EM cardWorking temperature: -10 ~ 70 CWorking bumidity: 10% to 90%3 options to open your door (admin user selectable): Card (Key Tag) & Password/ Card (Key Tag) Only/ Password Onlydimension: 11.7*11.7*2.1cmPackage included: 1 × RFID Proximity Door Control System 1 × English user manual