Features: 1/4inch Water Flow Sensors is food grade Hall Effect Sensors accurately measure water flow rates between 0.3 6L/min. This flowmeter ensures reliable performances even in demanding environment, while output pulse signal provide precise data transmission. Perfect for enthusiasts, engineers, and hobbyists, this flow Sensors is suitable reverse filters, making it excellent choice for those working on water purification systems or home projects. Whether you're integrating it into a water heaters, coffee machine, or water dispenser, flow Sensors offer compatibility and easy installation, enhancing the efficiency and functionality of your devices. This flow Sensors not only delivers accuracy but also withstands varying humidity, ensuring long performances and reliability in setting. Specifications: Component:Plastic Interfaces size: 1/4 Current carried by Switches contact: 100mA Voltages carried by Switches contact: 100V Size:Approx.9x1.8cm/3.54x0.7inch Package Includes: 1Pc Flow Sensors Switches note: 1.Please allow 0-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.