Proximity Card Reder

Specification:Working voltage:10vdc - 13vdcMaximum capacity:4000 user if needed it can be extend to 8000 userCard reding distance:5-10mmApplicable card: Em card or em compatible card.Frequency:125 khzFeature:1) asdopt advanced micro-computer CPU technology, can be applied in home, shop, office, factory, farm, warehouse, bank, school, hospital.2) the maximum capacity is 4000 pieces of cards, but you can extend it to 8000 pieces if needed.3) the users' information will be saved automatically, you don't need to worry the lost of the informationWhen it is power off.4) unlock methods: (a)by card, (b) by card with password, (c)by entering the card number, (d) by entering the card number with password.5) setting alarm and dis-alarming: On setting alarm status, you can't open the door in the above four ways, -niess in dis-alarming status6) door status checking: Connect to a wired door magnetic first, when the door is open ( not properly closed), will give a di di ring, if it is closed, then it won't ring.7) anti -dismantle function: When some one try to dismantle the card reader, the alarm host will alarm. I support single loop or double loop (add one more external loop).