how to copy magnetic key card

{"cid":"91200499","title":"0.3s Magnetic Key Card Door Locks Smart Software With Card Encoder","imgUrl":"https:\/\/img.chinax.com\/nimg\/f4\/de\/4cdf10b71feb280e5085be7f3272-200x200-1.jpg","attrs":{"Price":"US $20 - 30 \/ Piece","Brand Name":"Easloc","Model Number":"DSR108","Minimum Order Quantity":"10PCS","Delivery Time":"3-8 work days","Certification":"CE\/ FCC","Place of Origin":"Guangdong, China","Payment Terms":"D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"30000 pcs per month","Packaging Details":"1pc \/ box,10pcs \/ carton Box Size: 33.5*17*10 cm Carton Size: 87*35*23 cm","Model":"DSR108","Material":"Stainless Steel","Color":"Black\/ Gold\/ Silver\/ Red Bronze","Size":"290*77mm","Unlocking Way":"Card and Mechanical Key","Card Type":"MF1\/ T557","Hotel Lock Software":"Free","Hotel Card Printing":"Free"}}

{"cid":"91224589","title":"Custom Size PU Leather Magnetic Card Holder Wallet With Phone Bracket Stand","imgUrl":"https:\/\/img.chinax.com\/nimg\/b3\/9f\/905ae65b052fdd52ebdccfe45bef-200x200-1.jpg","attrs":{"Price":"Negotiate pricing based on process and materials","Brand Name":"Lang qin","Model Number":"306","Minimum Order Quantity":"200","Delivery Time":"25-35work days","Certification":"CE REACH FCC RoHS","Place of Origin":"China","Payment Terms":"T\/T, Western Union, L\/C, Western Union, MoneyGram, D\/A, D\/P","Supply Ability":"50000pcs per month","Packaging Details":"OPP packaging or customized packaging","Outside Matetial":"Custom Materials\uff08Leather, PU, PVC, Velvet, Etc.\uff09","Internal Materials":"Internal Materials\uff0cVelvet","Embryonic Material":"Wood, Leather, Metal, Plastic\uff0cPaper","Logo":"Made Based On Customer Design.","Size":"Custom Size","Color":"Custom Color","Style":"Classic, Modern, Vintage\uff0cFashion\uff0cLuxury","Usage Scenarios":"Storage, Protection, Gifts, Brand Packaging","OEM,ODM":"Fully Customized"}}

{"cid":"91149081","title":"Waterproof & Back-Lit Metal Key Buttons Standalone RFID Access Controller JS-K353E","imgUrl":"https:\/\/img.chinax.com\/nimg\/4f\/9b\/20776d42560f60bafd0027ea9bd4-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"Junson","Model Number":"JS-K353E","Minimum Order Quantity":"5pc","Payment Terms":"T\/T, paypal or Western Union in advance","Certification":"CE\/ROHS\/FCC","Place of Origin":"China","Packaging Details":"packed in carton","Material":"Zinc Alloy Housing","Voltage":"12V DC","Current":"Open max current: 1.5A Static current: 50mA max","User Capacity":"8000 users","Frequency distance":"5-10cm","Wiegand output":"Build in Wg26\/34","Data copy":"Copy user data to another device.","Card type":"EM or Mifare one card","Surface Temp":"\u226620\u2103","Operating Temp":"-20\u2103 - 70\u2103","Operating Humidity":"0-95%","Open door method":"Card, password , card+password","Door relay time":"1-255S","Weight":"0.45kg","Dimension":"130*58*23.5mm"}}