Description:100% Brand New and High QualityMulti-functional maintenance of the electric car detector for 24V， 36V， 48V， 60V brushless controller， brushless motor coil brushless motor Nei Huoer， the angle of turn detection and brushless motor distinguish.Can quickly test whether the brushless controller ，rushless motor coil，brushless motor Hall's good or badCan quickly test whether the the phase angle is 60 degrees or 120 degreesCan quickly test whether the the brushless motor phase sequence is ABC and abc colorsCan quickly test speed (accurate measurement) (if the detected light light on as green than turn to off and the red light turn on， than QC passed. )Specification:Power supply: built-in battery (9V￡onot included because airpackages can not carry battery)Dimensions: 83mmX110mmX25mmPacking list:1 x Brushless motor tester1 x Manual in English