Description: Made of high-quality copper material Its maximum water pressure is 1.75MPa, the range of flow is from 2L/min to 45L/min. Lightweight and has compact size, stable performance, low water pressure start, very easy to install and safe to use It can be perfectly used for water heaters, water dispenser, water purifier, water vending machine, coffee maker, flow measurement device, water control machine and so on. Three wire connection: Red for positive pole, black for negative pole, yellow for pulse signal. Specification: Type: G1/2"(External Thread Diameter) Material: Copper Water Quality Requirement: 60 Start Flow Range: 1.5L/min Flow Range: 1-30L/min Maximum Water Pressure: 1.75MPa Tube Length: Approx. 60mm/ 2.36inch External Thread Diameter: G1/2" Color: As pictures show Package Includes: 1 Piece Water Flow Sensor 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.