Feature: 1. 100% factory tested, guarantee high working preformance and long service life. 2. Can quickly test whether the brushless motor coil is good or bad. 3. Can quickly test whether the brushless controller good or bad. 4. Can quickly test whether the the brushless motor phase sequence is ABC and abc colors. 5. Can quickly test whether the the phase angle is 60 degrees or 120 degrees. 6. Can quickly test whether the brushless motor hallu0027s good or bad. 7. Applicable Machine:24V/36V/48V/60V/72V. Specification: Features: 100% factory tested, guarantee high working preformance and long service life. Can quickly test whether the brushless motor coil is good or bad. Can quickly test whether the brushless controller good or bad. Can quickly test whether the the brushless motor phase sequence is ABC and abc colors. Can quickly test whether the the phase angle is 60 degrees or 120 degrees. Can quickly test whether the brushless motor hall's good or bad. Applicable Machine:24V/36V/48V/60V/72V. Specifications: Applicable machine:24V/36V/48V/60V/72V. Power:9V battery(included) Working Temperature: -20°C-50°C Package weight:200g Package size:13*11*3cm Package list: 1*Brushless Motor Tester 1*Manual in English Package List: 1*Brushless Motor Tester 1*Manual in English