... systems 2,cards capacity:30000 3, logs: 50000 Proximity card access control systems model SC403Features:Easy installation ... availableMore security, multiplex alarm alert supportSupport EM 125KHz proximity card or compatible cardSpecifications :LCD Display: 4 lines ... supports muti-users enter. TTL for connecting to lock, door sensor, exit button, alarmLanguage: Multi language, English, French, Spanish ...