Sweven IoT vs T-Meter Uso e estatísticas

Remote monitoring of tank level:Check your Oil tank anytime, anywhere through your smartphone Usage record：Through the chart to record your heating oil usage on an hourly basis, you can use the chart to see how your heating oil is used in that day, week, month and year. Low level alarm：You can customize the low level alarm value, and we will notify you by email and Text when the level is lower than the value you set.