Feature: FUNCTION: Pulse width modulation (PWM) technology ensures stable speed control with high torque at low speeds. NOTICE: This is a DC brush motor controller. Do not use with AC motors. WIDE USE: Suitable for industrial DC motor speed regulation, DC fans, and similar applications. EASY TO USE: Features a reliable speed control mode with stable performance, adjustable speed, and simple installation. Specification: Condition: New Supply Voltage: DC 9V-60V Installation Method: Panel mount; connect according to the wiring diagram Color: Black Material: Metal + Plastic Dimensions: Approximately 99 x 60 x 90mm Package Contents: 1 x 10A PWM Motor Speed Controller Note: The package includes only the items listed above. Other products are not included. Lighting and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.