900mah nfc guard tour system

{"cid":"91213724","title":"Android GPRS GPS NFC Guard Tour System Realtime Security Camera Patrol","imgUrl":"https:\/\/img.chinax.com\/nimg\/2b\/04\/83f99721032086fe9bd6e6111d2a-200x200-1.jpg","attrs":{"Price":"USD 260\/pc","Brand Name":"HUAguard","Model Number":"HUA-K6","Minimum Order Quantity":"1","Delivery Time":"3-5 work days","Certification":"ROHS\/CE\/FCC","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Supply Ability":"500 pcs\/day","Packaging Details":"1 set\/box(including patrol reader, USB cable, charger, ejection pin, software)","Battery":"Lithium Battery","IP Rating":"IP68","Frequency":"13.56MHz","Battery Capacity":"5200 mAh","Inductive Mode":"RFID\/QR Code","Operation System":"Android 10.0"}}