3. High brightness LED digital tube.
4. Stroke-selectable function:2 stroke and 4stroke
5. Testable rotate speed and advance angle.
6. Maximal testable angle is 90°, precision: 0.1°
7. Max rotate speed : 9000
8.Digitel test
9.Can be swapped cables, easy to operate
10.Brilliant Xenon flash at all speeds
20pcs/CTN