This water flow sensor is designed with high precision and high performance. This water flow sensor has a small compact size and light weight, which is portable and easy to install. There are wire connection. This water flow sensor is widely used in water cooler, coffee machine, water filter, drinking fountain and so on. Features - Color: Beige. - Material: Plastic. - Size: 10.00 x 2.50 x 2.50cm/ 3.93 x 0.98 x 0.98 inch. - Power: 10W. - Voltage: DC: 130V. - Starting pressure: 0.1MPa (1-2L/min). - Measuring range: 5-10 ( /h). - The product mainly used for water testing, water cooling system. - Application for water heaters, machines, water vending machine, flow measurement device. - There is an integrated magnetic sensor that outputs an electrical pulse with every revolution. - The sensor is sealed from the water and allows the sensor to stay . - When water flows in the , the magnet will detect the water flow and make the reed close or open. Package list: 2 x flow sensor