Function: Quickly test whether the brushless motor coil is good or not. Applicable machine: 24V/36V/48V/60V/72V. Temperature: relative temperature 80C. Check the brushless controller: quickly check if the brushless controller is good or bad. Check the phase angle: quickly check if the phase angle is 60 degrees or 120 degrees. Features : Quickly test if the brushless motor coil is good or bad Quickly test if the brushless controller is good or bad Quickly test if the brushless motor phase sequence is ABC and abc colors Quickly test if the phase angle is 60 degrees or 120 degrees Quickly test whether the brushless motor is good or bad Specifications: Name: Electric car scooter brushless controller tester Applicable machine: 24V/36V/48V/60V/72V Working temperature: -20C -50C Relative temperature 80c Dimension: 10.5x7.5x2.5cm Power nce: 9V Battery (Included) Package Included: 1x Brushless Motor Tester 1x English Manual Notes: 1. Due to the different rental monitor and light effect, the actual color of the item may be slightly different from the color shown on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement.