20PCS RFID Keyfob 125Khz EM ID RFID Card / KeyTag / Keyfob Token Tags TK4100 Chip For Time Attendace system

描述

Name: RFID Keyfobs Frequency: 125KHz Chip: TK4100 Reading Distance: 2-10cm Material: ABS Size: 46*28*0.5mm Crafts: Ultrasonic welding Package: 20pcs/box Color: Grey Note: Not compatible with any HID card