Detailed Product Description

CHD685AE: without internal proximity reader, can be connected to 2 outside standard WieGand reader;

CHD685BE: with an internal EM reader, can be connected to 1 outside standard wiegand reader;

CHD685M: with internal Mifare reader,can be connected to 1 outside standard wiegand reader;

Dimension: 150x100x28mm;

With keyboard and 6 digit LED displaying time and working statement;

Able to connect with a extra LED indicator;

Regestered users: 4,000; Attendance Record capacity: 20,000;

Record remains for 180 days after power cut off;

Reject reading the same card within N minutes(N=natural number, adjustable);

Surpport 32 group attendance time;

Network: RS485;

Working temperature: -10-55, working humidity: 0%-90%, damp-proof;

Power: DC 10-24V(12V preferred); Consumption<1W;

with Grade 3 lightning/thunder protection.

With functions of access control, able to connect to extra doorbell