Sell 125Khz USB RFID Contactless Proximity Sensor Smart ID Card Reader EM4100 best price

100% brand new and high quality Support μEM4001, 4100, or its compatible RFID, ID card Frequency: 125Khz Support Windows95/98/2000/XP Power: DC 5V（±5%) Reading distance: 5-8cm Interface: USB Size (L x W x H):10.5cm x 7cm x 1.2cm/4.13"x2.76"x0.47"(approx) Color: Black Quantity: 1 pc Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you.