125KHz USB RFID EM ID Card Reader Mini Card Writer Uem4100 TK4100 SMC4001 White
Uem4100,TK4100.SMC4001 and compatible card. 125KHz ID Reader. Reader colour. Put card on the top of reader. 1x Card Reader. Connet with computer through USB interface directly. When Reading one card, LED lights with red into the green.