Features:High quality, high accuracy.Made of copper, strong and durable.Easy to install and convenient to use.Durable construction for long-lasting performance.Widely used in water industrial field, such as thermostatic water heater, water purifier, water dispenser, etc.Specification:Material: metalModel: YFB1Type: magneticProduction Process: integrationInput Voltage: DC5VOperating Voltage Range: DC5-15VWater pressure: 1.75mpaMeasuring range: 1-25L/minAccuracy: 3%Flow Pulse: 11*Q (Q=L/Min3%)Output Pulse High Level: >DC 4.7VOutput Pulse Duty Ratio: 50%10%Connection: G1/2Output signal: analogProtection grade: IPX1Linearity: 1(%F.S.)Delaying: 0.5(%F.S.)Size: Approx. 4.4cm x 3cm / 1.73 x 1.18inchWeight: 76gQuantity: 1pcPackage Included:1 x Water Flow Sensor