Features:<br> Working range: 1-30L/min, water pressure: 1.75mpa.<br> Made of brass, all materials are in line- with ROHS- testing standards.<br> Wiring: Red-In for posotive, Yellow-out for signal output, Black-GND for negative.<br> Waterproof, heat resistance-, pressurresistance, cold resistance-, small size, stable and reliable. Easy to install.<br> Suitable for water heater, water dispenser, water vending machine, etc.<br> <br> Specifications:<br> Material: brass-<br> Size: approx 5x3.5x3cm/2x1.4x1.2-inch<br> Thread: G3/4<br> Working voltage: DC3.5-24V<br> Inner/outer diameter: 17.9/26mm<br> <br> Note:<br> Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid.<br> Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br> <br> Package includes:<br> 1x Water Flow Sensor<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store