5X USB RFID Reader 125khz EM4100 ID Contactless Sensitivity Smart Card Reader TK4100 Support Window System RFID Reader

Interface: full-speed USB device interface, compatible with USB V2.0 Power supply mode: USB universal serial bus interface power supply; Working frequency: 125 KHz; Maximum sensing distance: 3-8CM; Supported card types: EM series, 4001 series and compatible radio frequency ID cards; Power consumption: less than 0.5 W; Use environment: temperature 0--50℃, humidity: 50-95RH, air pressure: 88-106Kpa. The actual product may have slight color difference or difference, which will not affect the use Colour:black Material:plastic Product appearance may vary between batches; this does not affect usage. Package Contents: 5 x USB RFID Reader Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.