Features:OOTDTY   Applicable Machine: 24V/36V/48V/60V/72V.Quickly test whether the brushless motor coil is good or bad.Working Temperature: -20°C-50°C.Dimension:10.5x7.5x2.5cm.Power: 9V battery.The the phase angle is 60 degrees or 120 degrees.Specifications: Material: ABSSize: 105x75x25mm/4.13x2.95x0.98inPackage Includes: 1x E-Bike TesterNote: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item.