It's a device for recognizing information of Citizen ID Card.
Model Name: "Hua-Xu" HX-FDX3 Network-type Reader of Citizen ID Card
华旭HX-FDX3联机型第二代身份证阅读器
Size: 180*112*38mm
Senor Size: 100*65mm
For the past 5 years, it had been applied in several fields, and its customers including police station, Shanghai Railway Station, security company of GE, etc.