Features: 1 New and high quality Stable performance: Simple working principle, stable and reliable performance, long service life and small volume. High pressure resistant: Can be used in a wide range of fluid pressures and can withstand a maximum of more than 1 MPa. High protection: Can be used indoors and outdoors. Adjustable: The flow range is adjustable, allowing the user to select the flow regulation value according to the system requirements. Wide range of applications: Can be used in swimming pool equipment, gas meters, water meters, coffee machines, water heaters and central heating air conditioning systems. Packing list: 1 x water flow sensor. Specifications: Material: plastic, metal. Working voltage: 100V. Working temperature: - 10 ~ 100, Measuring range: 1 l/min. Due to manual measurement, an error of 1 to 2 cm is allowed. Please make sure you do not mind before ordering. 2. Due to the difference between different monitors, the pictures may not reflect the actual color of