Features 1、Mainly used in water heaters, water dispensers, water vending machines, campus credit card machines and other fields. 2、The flowmeter has high sensitivity, waterproof and heat resistance, pressure and cold resistance. 3、The product structure is simple, with small size, easy to carry and store, convenient to install and with good performance. 4、The flow range of the product is 5‑150L/min, and the working voltage is DC3.5‑24V. 5、Using high‑quality plastic materials, strong and durable, has a long service life. Specification Item Type: Water Flow Sensor Material: Plastic Model: YF-DN40 Interface Size: 47mm male thread Flow Range: 5-150L/min Pulse Characteristics: F=0.45 x Q Package List 1 x Water Flow Sensor