switching from prepaid meter to normal

{"cid":"91198971","title":"STS Prepaid KWH Meter 1 Phase Digital Electric Meter for Utility Companies Operates normally at an ultra-low voltage of 50V","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/bc\/42227ffd4ede50cebda2fa63a8ee-200x200-1.jpg","attrs":{"Price":"$12-18","Brand Name":"STRON SMART","Model Number":"STE18-B","Minimum Order Quantity":"1pcs","Certification":"ISO9001 and ISO14001","Place of Origin":"china","Supply Ability":"5000pcs\/per month","Packaging Details":"carton","Ingress Protection":"IP54 waterproof","Quantity":"300 Units","Low Credit Alarm":"Yes","Billing":"Prepayment","Current Range":"(5A\/80A)\/(10A\/100A)","Working Temperature":"-25~70\u2103","Protection Class":"IP54","Use Case":"Ideal For Smart Metering Applications","Accuracyclass":"Class 1","Energy Constant":"(1000imp\/kWh)\/(400imp\/kWh)","Package Dimension":"25.08\u00d720.19\u00d71.62mm","Measurement Accuracy":"Class 1.0","Data Rate":"Up to 100kbps (FSK\/GFSK)","Display Type":"LCD\/LED","Tariffsupport":"Single and Multi-Tariff"}}