Smart phone Access Control

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{"cid":"211423","pid":"31250051","pimg_url":"\/\/img1.b2bforus.com\/11\/d7\/89e90f52425f\/product\/117933372_s-w400xh400.jpg","name":"high quality rfid card reader usb 125khz tk4100\/em4100 75*21*7mm rfid reader mobile phone card reader;","attrs":{"Price":"$5.67(1 - 19 Perches) $5.55(>=20 Perches)","MOQ":"1 Perch","Delivery Time":"Negotiable","Brand":"Sencan"}}