Note: There is a Hall driver board that needs a motor, and it can work normally only with a Hall: Without a Hall driver board, both without a Hall motor and with a Hall motor can be used. smoothness with Hall driver board is without Hall driver boardBLDC wide voltage 6-60V power 400W DC three-phase brushless hall controller/no hall controller, newly added 0-5V analog control speed regulation and function, forward and reverse control, pwm control speed regulation, the product is suitable for DC brushless hall/no hall motor with an electrical of 120 degreesDue to different batches, the appearance and color of may be different, which will not affect the usetype:with HallColour:redMaterial:PCBPackage Contents:1 x Driver BoardOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.