1. Built-in high-frequency antenna, antenna depth matching, eliminate blind spots, read the whole card data without interruption. 2. increase Parse key rate , the size of the card takes all. 3. sniffing data, complete stable, low err rate. 4. The low frequency antenna to the signal to noise ratio, the higher the recognition rate, detachable design to meet various needs. 5. No antenna interface, not need have to plug because it is easy to damaged. Cancel the lithium battery, simple convenient. (Offline can use mobile power supply) In addition to the iginal relay other unrelated, low cost, lightweight ptable. Compatible with all firmware, accding to need to brush any version. Accding to your preference, you can use the " Line" "Proxmark Tool.exe" to operate antenna: 30.41 V 125.00 kHz antenna: 22.01V 134.00 kHz HF antenna: 28.43V 13.56 MHz (Low frequency antenna installed on the left) colour: as shown Material: ABS Size: 8.7x5.4cm Package Contents: 1 x Full encryption card Only the above package content, other products are not included. Note: Light different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.