Optimal Water Management: precise water flow control in your irrigation systems with the ZJ-LCD-M Digital Water Flow Meter. This device features a 3/4 inch measurement scale, ideal for various piping systems. Advanced Solenoid Valve Technology: Equipped with a high-quality solenoid valve, this flow meter provides reliable and automatic control and Reliable: Built to last, the flow meter boasts a robust construction that withstands environmental elements Easy Installation: Designed for hassle-free setup, this automatic flow controller can be integrated into your existing irrigation infrastructure with minimal effort Color: As shown Material: plastic Package Contents: 1 quantitative instrument, 1 flowmeter, 1 solenoid valve 1 power supply. 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.