*english display *sound and light when reading successfully *card type: tiid card (read only) *real time clock inside *with lcd display *recharged 3.6 v battery *metal luxury case, water-resistant and shake-resistant, resist low temperature *use rs232/usb cable to download data, do not need communication stations *low tiny-power consumption, very low static state electric current *influence distance: 3 to 6cm Dimension: 125*40*25mm Weight: 132g
