It is mounted on square or tubular mast easily and safely. It is not used an outside sensor or mercury switch on machine because, elektronic card has sensor instead of them. It is not impressed by wind , impulse or pulsation. It starts rotating at 10º angle automatically and stops after balancing. If tail jam occurs, brush will rotate reverse direction. Type , density and hardness of brush is selected most properly and revolution per minute of reducer is selected most properly too.With the result that;cow comfort, health, welfare and overall performance is increased. Rotating speed:30 rpm Brush length:70 cm Brush diameter:47 cm Power:0, 18kw Electronic angle measurement.