125KHz Proximity, wide read range,with USB interface and powered by USB, ... : 140*100*30Gross Weight120g + 30gDelivery Detail:in 2 weeksSpecificationsFeatures:125KHz Proximity card readerRead Range: up to 10CMRead card number onlyUSB interfacePower ... it takes for development,that is 120USD per day. 125KHz Proximity Card Reader with USB Interface ZTR1