Features: Lightweight and flexible design, compact size, easy to install. The sealing ring used in the structure is leak-proof under pressure, with imported Hall elements and a waterproof design to prevent water ingress. Suitable for DC 3.5V-24V / Pulse characteristics (8xQ-4) 5%, F-frequency, Q-flow per liter/minute. Water pressure resistance: Greater than 1.75MPa with a working voltage range of DC 3.5 ~ 24V. Ideal for use in water heaters, water dispensers, water purifiers, and water vending machines. Package Includes: 1x Water Flow Sensor Specifications: Material: brass Size: approximately 5.8x3.8cm/2.3x1.5in Thread: 1-inch Thread length: 13mm Voltage: suitable for DC 3.5-24V Water pressure resistance: Greater than 1.75MPa Flow range: 2-50L/min 5% Note: Please allow 1-3cm error due to manual measurement. Kindly ensure you do not mind before you bid. Due to variations between different monitors, the image may not accurately reflect the actual color of the item.