ACCESS CONTROL PANEL BOARD: This equipment is used to control the electric strike lock or elecric magnetic lock. Widely used for professional users such as banks,cash houses, prisons telecom stations,plice stations, integrated fire controls, anti-passback and anti-tail. FIRE AND ALARM LINKAGE: Fire and alarm linkage. If there is no connection with the expansion board, only the software interface will alarm and drive the computer loudspeaker. If connected to the expansion board, it can be alarmed by hardware, and if connected to the strengthened expansion board, it can be alarmed safely. EMERGENCY DOUBLE LOCKING: Emergency double locking based on internal and external validation. Alarm for invalid card swiping, long time door open and illegal break in first card unlocking. Support remote unlocking, offline and real time supervision. MEMORY MEASURE: High Speed Memory measure to ensure records never lose when power interruption. Mass memory capacity for storaging photoes and records. Flexible user rights settings, quick settings, support for multi-user supervision. FEATURES: Normal shift & multi-shifts time attendance management.Convenient to check and query,report exported to which revisable and printable report form,unlocking at definite time. Multi-card unlocking, supporting card unlocking, password unlocking, and card+password unlocking. Specifications:
Communication: TCP/IP
Software Supportable Database: Access & SQL
Power Supply: Input: DC 12V, 4 ~ 7A
Power Consumption of Circuit Board: Less than 100mA
Input Format of Reader: 26 bit (All card reader with compatible protocol, such as for Motorola, for HID, for EM, etc)
Quantity of Readers: 4 Units
Door Controlled: 4
Door Opening Time Extending Setting: 1 ~ 600 seconds (adjustable)
Quantity of Controller: No Limit 
Operating Temperature: -40°C ~ 70°C
Operating Humidity: 10% ~ 90% RH, No Condensation
Quantity of Users: 20,000 users
Quantity of Event Buffers (offline): 100,000 event buffers
Power Interruption Measure: High speed memory, records never lose
Distance from Reader to Controller: 100m (suggestion distance 80m)
Distance between Controllers: Depends on Net Coverage Area
Complsive Open and Close Door at Long Time: Yes
Open Door in Remote Distance: Yes
Inter Block: Yes
Anti Passback and Tail: Yes
Multi-Card Open Door: Yes
Open Long Time at Specified Time: Yes
Electronic Map: Yes
Locking Urgently: Yes
First Card to Unlocking: Yes
Unlock Based on Internal and External Validation: Yes
Keypad (card + password, super password): Yes
Size: 18*11.5*2.5cm/7.0*4.5*1.0in
Package Weight: 319g/11.2oz

Package List:
1 * Access Controller for 4 Door Use
1 * Software CD
1 * User Manul

Notes:
1.This equipment is used to control the electric strike lock or elecric magnetic lock,if other control equipment, please with our engineers.
2.Please allow the slight error due to manual measurement.
3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.