EM4100 Frequency: 125KHz ID Size: 40 bit Material: PVC Temperature: -20~50 degree C Dimension: 85.6 x 54 x 0.86 (mm) Type: 1. Blank Card (white) 2. Pre-printed 4 color (1 or 2 sided) Serial Number: 1. JET Serial Number 2. Laser Serial Number 3. Pressed Serial Number PRICE - NEGOTIABLE !!!