RFID 125khz USB EM Card Numeric keyboard

Device reader is a stable, practical, high-performance 125KHz frequency plug in card reader.
Features: card read type: ID card (EM card), EM4100 or compatible card
Operating frequency: 125HKz
Read card distance: 0-10cm
Card read time: < 100ms
Output interface: USB interface
Technical indicators of environmental temperature: -10-40C
Power source: DC-5V USB
Relative humidity: 15% ~ 85% RH
Maximum power consumption: 100mW
Size: 130*90*15mm
Gross weight: 200g