1. Quickly detect the brushless motor good or bad and motor hall phase sequence
2. Quickly detect the motor and controller phase angle is 60 degrees or 120 degrees
3. Quickly detect the controller is good or bad
4. Brushless motor and controller fast wiring (36 kinds of connection)
5. Quickly detect the good or bad rotary brake handle
6. Material: electronic components, plastic
7. Applicable models of power supply: 24V/36V/48V/60V/72V
8. Operating temperature: -20 - 50 degrees Celsius
9. Power supply: 1 x 9V battery (not included)
10. Size: about 11.5 x 8 x 2.6cm