Convenience: Lightweight and compact design for easy operation and installation. Modular design: Suitable for output module, sensor, and remote control transmitter. Digital LCD display: High-definition screen with NPT counter for instant and cumulative flow readings. Clear reading and accurate measurement: Easy-to-read display, reliable performance, measurement accuracy +/- 1%. Application: Flow meter for pumps, suitable for measuring water, crude oil, kerosene, gasoline, and similar liquids. Operating voltage: 2.3–3.3V Battery type: 2 x AAA batteries (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 Measurement units: 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: Other items not included. Note: Lighting and display differences may cause slight color variation between the image and the actual item. Measurement may vary by +/- 1–3 cm.