[Use widely used] Our digital turbine flowmeter is widely used in different scenarios, suitable for measuring , gasoline, , methanol, water, etc. The limit of the flow meter is 40-280lpm (10.5-74GPM). [Function] The arc is 1 %, the LCD shows a instantaneous flow rate, a single cumulative flow and a total accumulation flow. [Multiple units] The flowmeter has a variety of units to choose from: ascending, gallon, grades and boldness. You can easily switch to meet your needs. [High -quality material] It is made of aluminum shell and stainless steel turbine mechanism, which is very solid and . [Warning] The flowmeter has 2 X LR03 AAA, which has high and stable circuit efficiency. Please note that the instrument is waterproof, and from water during use. Color: As Shown Material: aluminum Package Contents: 2 x 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.