Features 1、MULTI FUNCTION: This motor speed controller supports emergency stop and forward and reverse functions, more flexible and convenient to use. 2、90VDC OUTPUT: The motor speed regulator adopts 110VAC input and outputs 90VDC, suitable for direct current motor. 3、HIGH PERFORMANCE: The direct current motor governor has high accuracy, wide speed range and good mechanical characteristics. 4、ABS SHELL: The electric motor speed regulator uses high strength ABS shell, which is sturdy and firm, safe to use. 5、SIMPLE INSTALLATION: The motor speed regulator adopts panel screw installation method, which is easy to operate. Specification Item Type: Motor Speed Regulator Material: ABS Input: 110VAC Output: 90VDC Overall Size: Approx. 90x60x80mm/3.5x2.4x3.1in Opening Size: Approx. 81x53mm/3.2x2.1in Installation Method: Panel Screw Installation Package List 1 x Direct Current Motor Speed Regulator