Specification: Working voltage: DC 12V Unlock current: ≤1000mA Static current: ≤60mA Memory: 500 standard users Card read distance: 0-10 cm RF type: EM card Working temperature: -10 ~ 70 C Working bumidity: 10% to 90% 3 options to open your door (admin user selectable): Card (Key Tag) & Password/ Card (Key Tag) Only/ Password Only Item dimension: 11.7*11.7*2.1cm Item weight(app): about 250gPackage included: 1 × RFID Proximity Door Control System 10 × RFID Keyfobs 1× English user manual