The moisture meter can quickly measure the moisture content of the grain. 1. It can quickly detect whether the brushless motor is good or bad and its performance is higher. 2. High-quality plastic, hard, wear-resistant and with a long service life. 3. Small, light weight, easy to carry, provides more convenience, improves the experience. 4. Well made, excellent performance, provides accurate detection and has a good detection effect. 5. Check the engine, controller, brake lever, and also has a self-check function. Specification: Item Type: Brushless Motor Tester Material: plastic Color: as shown in the picture Detection function: Motor, Controller, Brake Lever, Phase Angle, Winding, Hall With self-check function (whether the car repair treasure is damaged): Connect the Hall plugs of the car repair kit together, turn on the power, and the power indicator / 5V controller the power indicator will light up, and the Ha / Hb / Hc lights will flash cyclically, indicating that the car repair kit has no fault, otherwise there is a fault. This feature is convenient Dear friends, quickly check if the car repair treasure is malfunctioning. Product Size: approx. 115 x 80 x 26 mm / 4.5 x 3.1 x 1 inch List of packages: 1xBrushless Motor Tester 1 x English Manual Please be aware: