This flow meter is made of high-quality food-grade plastic to safety and sustainability Its materials are designed to withstand the rigors of industrial and residential use. Ideal for a wide range of applications including petrochemical industry, residential flow control, water works and a wide range of agricultural environments such as field and garden irrigation This improves efficiency and monitoring. Other features include compatibility with hose water flow meters and for water flow meters, expanding its utility and making it a versatile choice for users looking to integrate with a variety of systems and setups. Material: plastic Color: as shown Package Contents: 1 x Water flow sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.