2 10cm rfid reader 7000 records capacity

{"cid":"91176782","title":"Sheep Cattle RFID Tag Stick Reader 134.2khz With 7000 Records Data Storage","imgUrl":"https:\/\/img.chinax.com\/nimg\/1f\/47\/0bfce174cb483e27c13fd59a0a2b-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"FOFIA","Model Number":"PT280-H","Delivery Time":"1-5 work days","Reading standard":"ISO11784\/5 FDX-B and HDX, ID64","Communication Mode":"Bluetooth and USB","Power supply":"4 AA","Continuous working time":"12 Hours","Color":"Yellow Black","Data storage":"7000 records","Screen":"128*32 OLED","Package size":"79*10*10cm","Certification":"CE, RoHS","Place of Origin":"Wuxi,China","Payment Terms":"T\/T, L\/C","Supply Ability":"200 pcs \/ Week"}}

{"cid":"91149081","title":"EM4100 Chip RFID Key Cards PVC \/ PET Materials For Access Control System","imgUrl":"https:\/\/img.chinax.com\/nimg\/19\/24\/1dc90c17642192ee3406b0abf94d-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"JUNSON","Model Number":"JS- T02","Minimum Order Quantity":"1box","Delivery Time":"2 working days after received your payment","Certification":"CE\/FCC","Place of Origin":"China","Payment Terms":"T\/T, paypal or western Union in advance","Supply Ability":"5,00000pcs per month","Packaging Details":"20 boxes per cartons","Product Name":"125Khz ID card","Materials":"PVC, PET","Size":"85.6*54(mm)","Thickness":"0.18mm","Chip":"EM4100","Frequency:":"125Khz","Reading distance":"3-10cm based on reader","Packing:":"200pcs per box","Weight:":"0.85kg per box","Read Time":"1-2mS"}}