Overview: The control panel of this product is designed modularly, featured by high accuracy, compact size and stable performance. It's widely used in numerous fields such as oil industry, chemicals, medicine, food industry, transportation and commercials. Features: Compact structure, easy to install. High-definition displays show, intuitive clear reading. It can count instantaneous and cumulative flow. Can be widely used to measure , gasoline, urea, etc. (The display screen can be disassembled. The production batches are different. The orientation is random and no specification is accepted.) Parameter: Working voltage: 2.3 - 3.3V Connection : 1inch NPT Maximum working pressure: 20bar Unit: L, gal, pt, qt Single count: 0.00 - 9999.9 Working temperature: -10℃ - 60℃ (-14℉ - 140℉) Battery type: 2 x AAA battery (built-in) Measure accuracy: ± 1% Flow range: 10 - 120L / min Repeatability: ± 0.5% Total cumulative count: 0 - 99999 Applicable liquid: , urea, , gasoline Color: Silver & Blue Material: metal Package Contents: 2 x Turbine Flow Meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.