Features1SMOOTH AND LOW VIBRATION: Sine wave brushless intelligent controller support smooth operating, effectively reduce vibration and noise, greatly enhance the motor service life 2STRONG SHELL: Brushless motor speed controller adopt aluminum alloy material shell, which is solid, textured and functional, also lightweight 3BRUSHLESS AND LOW NOISE: Brushless motor governor adopts quiet and low noise design, is brushless type, quiet during work, no noise pollution 4STABLE AND SENSITIVE: The brushless motor speed controller provides stable speed and sensitive control of braking and direction changes, you can use with confidence 5 PERFORMANCE: Motor speed controller is made with fine workmanship, possess compact appearance and stable performance, can make sure durability and stabilitySpecificationItem Type: Brushless Motor Speed ControllerMaterial: Aluminum alloyPackage List1 xMotorController1 x User Manual