Smart Oil Gauge - WiFi Heating Oil Gauge

Smart Oil Gauge® is the top-rated, best-selling oil tank gauge on the market. The Smart Oil Gauge allows homeowners to remotely monitor their home heating oil tank - anytime, anywhere. Compatible with standard 138, 220, 240, 275 and 330 gallons tanks, single or double, vertical or horizontal. Twin-tank setups only require one Smart Oil Gauge. Also compatible with Roth 400L, 620L, 1000L, and 1000LH using the Roth Adapter available at smartoilgauge.com/shop. Not compatible with Roth 1500L. ABOVE GROUND TANKS ONLY.  Other tank sizes available too - please call or e-mail to confirm yours is compatible. Key facts:-Ultrasonic sensor-2" NPT fitting (1.5" NPT adapter available at smartoilgauge.com/shop)-Readings taken once per hour-2 Lithium AA batteries
included) last up to 1-2 years-Low-level text and e-mail alerts-Android and iOS apps-Compatible with Alexa: "Alexa, ask Smart Oil Gauge how much oil we have" …. "when do we need oil?"-No monthly fees
battery life depends on WiFi strength