It's Smart Card Time Attendance and Access control, good quality, easy to use and cheapest Price.

The Main Features are:
* Door control: 2 doors, standard wiegand 26 interface.
* Support 2500 cardholder and store 25000 pieces of card reading information and alarm events.
* 32 time periods/64 time sets/16 application groups/8 types of holidays/validity period for card/card PIN (6 numbers)
* The product has two layers of A. P. B and mutual lock when the hardware is off-line. (Open only one door for each time)
* Only PIN, only card and card & PIN are available. It can also support duress PIN and super PIN.
* Soft control of any door, various alarm incidents functions: Open time-out, close time-out, intrude alarm, force alarm, burglar alarm and fire alarm etc.
* One build-in card reader (EM or Mifare card), two sets of W26 interface, two sets of sensor input, two sets of button input, two sets of relay output, one set of bell port and one set of RS485
Communication interface.

Technical information:
*Working voltage: AC/DC 8~25V
*Power consumption: <1W
*Data saving: >10 years (after power failure)
*Record Capacity: 25000 pieces (adjustable)
*Card User Capacity: 2500 pieces (adjustable)
*LCD resolution: 122~32 DOTS
*Build-in word base: 16 national class two character base.
*Communication mode: RS485
*Wiegand 26 port: Two *Relay output: Two *State input: Four
*Card reading type: EM Card or Mifare Card
*Induction distance: 4-15cm
*Networking capacity: 255 sets
*Working temperature: -4 degree~70 degree
*Working humidity: 20%-90%
*Storage temperature: -25 degree~85 degree
*Dimension: L120xW88xH 18mm *Net Weight: 160g
*Language: Simplified Chinese, traditional Chinese, English
*Management software: Transaction card system management and Access control attendance options and network management