Convenience: Lightweight and compact size provides convenient operation and update installation. Modular design: Makes crude oil fuel flow meter compatible with output module, sensor and remote control transmitter. Digital LCD display: High-definition display uses NPT counter to show instant and cumulative flow. Clear reading and accurate measurement: Intuitive display, high reliability, measurement accuracy +/- 1%. Application: Pump flow meter, widely used to measure water, crude oil, kerosene, gasoline, etc. Operating voltage: 2.3-3.3V Battery type: 2 * AAA battery (included) Thread size: 1 inch NPT Repeatability: +/- 0.5% Accuracy: +/- 1% Maximum working pressure: 20 BAR Flow range: 15-120 liters per minute Single reading: 0.00-9999.9 Total accumulated count: 0-99999 Error number: 0.1000-9.9999 Unit of measurement: L / GAL / PTS / QTS Operating temperature: -10°C to +60°C (-22°F to +140°F) Color: Red Material: Stainless steel, aluminum alloy Package contents: 1 x Digital Fuel Flow Meter (with battery) Note: Light and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement allowance is +/- 1-3 cm.