Lightweight, compact, and easy to install. Features a copper impeller shaft and durable wear-resistant liner. Sealing ring in upper and lower power structure prevents leakage. Interface size: 6 points (G3/4). Operating voltage range: DC 5–18V. Inner diameter/outer diameter: 18.1/25.5mm. Thread length: 13.75mm. Water pressure resistance: ≤1.75MPa. Output pulse high level: DC 4.7V (at input voltage DC 5V). Output pulse duty cycle: 50% ±10%. Insulation resistance: 100MΩ. Flow range: 1–30L/min ±3%. Sealing performance: All ports sealed and tested under 1.7MPa water pressure for 1 minute with no leakage or deformation. Flow pulse characteristic: (6.6×Q), Q=L/min ±3%, generating 396 pulses per liter of water. Note: Product design may vary slightly between batches; minor differences in appearance or color may occur but do not affect functionality. Type: -B6. Color: Gold. Material: Copper. Package includes: 1 × Flow Sensor. Other items not included. Note: Lighting and display settings may cause slight color variations between the image and actual product. Measurement tolerance: ±1–3cm.