60hz pay as you go electric meter

{"cid":"91198971","title":"IP54 Split Single Phase Energy Meter , 60HZ Pay As You Go Electric Meter","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/6e\/c6\/79a450603c91cb2e328bcde6589e-200x200-1.jpg","attrs":{"Price":"negotiated","Brand Name":"stron","Model Number":"STE18\/STE38","Minimum Order Quantity":"10","Delivery Time":"30-45days","Certification":"STS","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"20000pcs\/month","Packaging Details":"Carton","Protocal":"STS Standard","Communication":"LORA-RF supported","Phase":"single phase","Waterproof":"IP54","Color":"Blue","Mode":"Prepaid","Accuracy":"Class 1","Operation Temperature":"-25\u2103-70\u2103","Storage Temperature":"-40\u2103-85\u2103","Frequency":"50-60HZ","Product name":"Prepaid Energy Meter","Rated Voltage":"220-240V\/3*220V","Standard":"STS Standard","Display":"LCD","Warranty":"2 years","OEM":"Support","Certificate":"ISO9001; ISO14001; STS Standard","Vending Software":"Supported","Recharge Token Length":"20 digits","Protection Class":"IP54","Battery Life":"8 years","Current Range":"(5A\/80A)\/(10A\/100A)","Starting Current":"(20mA)\/(30mA)","Energy Constant":"(1000imp\/kWh)\/(400imp\/kWh)","Measurement Accuracy":"Class 1.0","Mobile Payment Support":"M-PESA, Alipay, MTN, Airtel, etc.","Overdraft Collection":"daily\/monthly optional","Data Storage Duration":"10 years","Anti-Tampering":"Both with magnetic field\/cover-opening detection; STE18-B cuts relay, STE38-G shuts valve when triggered","Recharge Method":"(1. Stronpay Software; 2. 3rd-party\/mobile payment)plus 3. AMI system remote recharge)"}}