Features High Accuracy: This electronic digital turbine flowmeter come with high accuracy, durable and compact size Modular Design: Modular design allows the meter to be used with output modules, sensors and remote transmitters Easy To Replace And Maintain: The internal components are easy to replace, simple to maintain, lightweight, compact and convenient to install For Petroleum And Medicine: Gas oil fuel flowmeter is widely used in petroleum, medicine, transportation and commerce 35‑200L/Min Flow Range: Flow range is 35‑200L/Min, measurement unit support L, GAL, PTS, QTS, very practical to use Specification: Item Type: Turbine Flow Meter Material: Aluminum alloy Model: LLW-50 Inlet and Outlet Size: 2in Calculation Accuracy: ±1% Working Voltage: 2.3V-3.3V Maximum Working Pressure: 10BAR Flow Range: 35-200L / Min Single Count: 0.00-9999.9 Total Cumulative Number: 0-999999 Unit of Measurement: L, GAL, PTS, QTS Battery Specification: 2 x AAA LR03 batteries(not include) Package List:1 x Turbine Flowmeter1 x User Manual  Note:No battery, need to be prepared by the user. Package List 1 x Turbine Flowmeter 1 x User Manual