prepaid power management system with gprs

{"cid":"91198971","title":"Smart Prepaid Electricity Meter Featuring Single Phase Design GPRS 4G Connectivity and Remote Monitoring for Power Management Systems","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/2f\/7a26bf5f905d56061f13493f6ffa-200x200-1.jpg","attrs":{"Price":"negotiated","Brand Name":"stron","Model Number":"STE18-G","Minimum Order Quantity":"1","Delivery Time":"5","Input Way":"Keypad","Alerts And Notifications":"Yes","Certificate":"ISO9001; ISO14001; STS Standard","Maximum Current (Imax)":"80A","Accuracy Class":"Class 1.0","Vending Software":"Supported","Energy Constant":"1000imp\/kWh","Data Storage Duration":"10 years","Output Voltage":"230v","Anti-Tampering":"Both with magnetic field\/cover-opening detection; STE18-B cuts relay, STE38-G shuts valve when triggered","Frequency":"50-60HZ","Certification":"STS","Rated Voltage":"230V","Mobile Payment Support":"M-PESA, Alipay, MTN, Airtel, etc.","Payment Terms":"T\/T","Display":"LCD","Minimum operating voltage":"50V","Warranty":"2 years","Working Voltage Range":"23%~120%Un","Battery Life":"8 years","Recharge Token Length":"20 digits","Starting Current":"20mA","Energy Usage History":"Available","Communication":"LORA-RF supported","Measurement Accuracy":"Class 1.0","Overdraft Collection":"daily\/monthly optional","Recharge Method":"(1. Stronpay Software; 2. 3rd-party\/mobile payment)plus 3. AMI system remote recharge)","Anti Tamper":"Yes","OEM\/ODM":"Support","Supply Ability":"9999999 unit","Product name":"Prepaid Smart Single Phase Keypad GPRS Energy Meter","Current Range":"5A\/80A","Storage Temperature":"-40\u2103-85\u2103","Standard":"STS Standard","Payment Method":"Through Token","Packaging Details":"0.68*0.41*0.155m","Protection Class":"IP54","Place of Origin":"China","Nominal Frequency":"50-60Hz"}}

{"cid":"91219447","title":"1-100A Current Range Prepaid Power Consumption Meter with RS485\/GPRS\/GSM Communication","imgUrl":"https:\/\/img.chinax.com\/nimg\/fd\/e6\/2789e1b5885dbe495c5bac5e3e45-200x200-1.jpg","attrs":{"Brand Name":"Saving","Model Number":"DDZY1218","Minimum Order Quantity":"5","Delivery Time":"7-15 works days","Place of Origin":"China","Certification":"CE","Supply Ability":"100000","Frequency Range":"50-60Hz","Standard":"GB\/T17215.321-2008","Product Name":"Prepaid Electronic Energy Meter","Operating Temperature":"-25~55 Degree","Power Consumption":"Voltage Line:\u2264 1W, 10VA; Current Line: \u22641VA","Voltage Range":"110-220V","Communication Interface":"RS485\/GPRS\/GSM","Current Range":"1-100A"}}