Comprehensive Testing Tool: This solenoid valve rotation tester is an essential tool for diagnosing and testing the functionality of solenoid valves and circulating pumps in various systems. Versatile Use: Designed to work with a wide range of solenoid valves, this tester ensures your valves and pumps operate correctly, enhancing system efficiency. User-Friendly Design: Equipped with an intuitive interface, this AC detector makes testing quick and easy, even for beginners. Construction: Built to last, the tester is made from high-quality materials that withstand regular use in tough environments. Color: As Shown Material: plastic Package Contents: 1 * Circulating Pump Rotation Tester 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.