prepaid electricity meter 0 5ma sleep current

{"cid":"91198971","title":"STS Smart Prepaid Electricity Meter with battery voltage 3.3V and sleep current 0.5mA ensuring long term operation and data collection","imgUrl":"https:\/\/img.chinax.com\/nimg\/a3\/95\/7840fa546f7318921f9d2dc2a28b-200x200-1.jpg","attrs":{"Price":"$29-33","Brand Name":"STRON SMART","Model Number":"STE38-A","Minimum Order Quantity":"5PCS","Delivery Time":"5-8 work days","Certification":"ISO9001 and ISO14001","Place of Origin":"China","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram","Supply Ability":"5000PCS PER MONTH","Packaging Details":"Carton","Software":"Stronpay Vending Software","Terminal Cover":"Transparent","Input Voltage":"110-240V","Protocal":"STS Standard","Battery Life":"8 years","Measurement Unit":"1000imp\/kWh","Rated Voltage":"220-240V\/3*220V","Color":"White","Power Consumption":"Less than 5W","Fifo Buffer":"64-Byte Integrated","Power Source":"Electricity","Accuracy Class":"Class 1","Frequency":"50\/60Hz","Ingressprotection":"IP54","Connectivity":"Smart Meter Network"}}