Upgrade Quality Brass Water Flow Switch 1 Inch Water Flow Sensor 2-50l or minFeatures: Light and flexible appearance, small size, easy to install. The seal ring used on the structure under the force will never- leak,Hall elements imported, water-proof design to prevent water. for DC 3.5V-24V or Pulse characteristics ( 8xQ-4)5 percent , F-frequency, Q-flow- per liter or minute. Water pressure resistance : More than 1.75MPa working voltage range DC3.5 - 24V. Can be perfectly used for water heaters, water dispenser, water purifier, water vending machine. Package Includes: 1x Water Flow Sensor Specifications: Material: brass Size: approx 5.8x3.8cm or 2.3x1.5in Thread: 1-inch Thread length: 13mm Voltage: for DC 3.5-24V Water pressure resistance : More than 1.75MPa Flow range: 2-50L or min5 percent note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 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-YJL official store