1、This is a simple and easy-to-use DC brushed motor <span class="ui-risk_flag3"><span class="ui-risk_flag3">speed</span></span> controller of elegant appearance and stable performance. 2、<span class="ui-risk_flag3"><span class="ui-risk_flag3">Speed</span></span> controller is made with high quality circuit board which ensures a longer service life. 3、Designed with screw terminals for quick and convenient wire connection. 4、This motor <span class="ui-risk_flag3"><span class="ui-risk_flag3">speed</span></span> controller has switch function, and can also accomplish CW/CCW rotation control. 5、High performance DC motor <span class="ui-risk_flag3"><span class="ui-risk_flag3">speed</span></span> governor has large power, small heating, high efficiency and high moment of force, while no <span class="ui-risk_flag4"><span class="ui-risk_flag4">loud</span></span> noise. Features: This is a simple and easy-to-use DC brushed motor speed controller of elegant appearance and stable performance. Speed controller is made with high quality circuit board which ensures a longer service life. Designed with screw terminals for quick and convenient wire connection. This motor speed controller has switch function, and can also accomplish CW/CCW rotation control. High performance DC motor speed governor has large power, small heating, high efficiency and high moment of force, while no loud noise. Specification: Model: CCM2NJ Control Power: 12V=36W, 24V=72W....40V=120W Rated Current: 3A Maximum Current: 5A Speed Control Range: 0-100% PWM Frequency: 15KHZ Potentiometer: Resistance B100K, opening 8mm Size(L x W x H): 73 x 39 x 31mm / 2.9 x1.5 x 1.2in Weight: 74g / 2.6oz (approx.) Package list: 1 x Speed Controller Note: 1, This speed controller is used for DC burshed motor.3, Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.