1、The adjustable voltage range can be truly smooth and adjustable from 12V to 60V 2、Wide application: Suitable for DC motors within 70A 3、Durable Performance: Using high quality and delicate metal shell, no rust, safe and convenient to use 4、High quality circuit board ensures stable and durable performance 5、Easy to use: Easily control voltage and speed via the adjustable rotary knob <span style="font-size:16px;font-family:Arial;">This is a simple and easy-to-use DC motor speed controller with mini size, elegant appearance and stable performance. It is made with high quality circuit board which ensures a longer service life. The input voltage can be DC 12V to 60V and output voltage is 0- of the input voltage. This speed controller is quite convenient to use.</span> <strong><span style="font-size:16px;font-family:Arial;">Features:</span></strong> <ul> <li> <span style="font-size:16px;font-family:Arial;">The adjustable voltage range can be truly </span><span style="font-size:16px;font-family:Arial;">smooth and adjustable from 12V to 60V.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Wide application: Suitable for DC motors within 70A.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Durable Performance: Using high quality and delicate metal shell, no rust, safe and convenient to use.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">High quality circuit board ensures stable and durable performance.</span> </li> <li> <span style="font-size:16px;font-family:Arial;">Easy to use: Easily control voltage and speed via the adjustable </span><span style="font-size:16px;font-family:Arial;">rotary knob. </span> </li> </ul> <strong><span style="font-size:16px;font-family:Arial;">Specifications:</span></strong> <span style="font-size:16px;font-family:Arial;">Model: PWM 70A-220S </span> <span style="font-size:16px;font-family:Arial;">Color: Silver</span> <span style="font-size:16px;font-family:Arial;">Material: Metal</span> <span style="font-size:16px;font-family:Arial;">Input Voltage: DC 12-60V</span> <span style="font-size:16px;font-family:Arial;">Output Current: 0-70A</span> <span style="font-size:16px;font-family:Arial;">Power: 4000W</span> <span style="font-size:16px;font-family:Arial;">Rated Current: 70A</span> <span style="font-size:16px;font-family:Arial;">Speed Adjustment Type: Current Adjust</span> <span style="font-size:16px;font-family:Arial;">Adjustable Speed Range: 0-</span> <span style="font-size:16px;font-family:Arial;">Speed Adjustment Way: Potentiometer (linear)</span> <span style="font-size:16px;font-family:Arial;">Output Voltage: Linear under load</span> <span style="font-size:16px;font-family:Arial;">Over current Protection: 80A</span> <span style="font-size:16px;font-family:Arial;">Red Wire: "+"</span> <span style="font-size:16px;font-family:Arial;">Black Wire: "-"</span> <span style="font-size:16px;font-family:Arial;">Panel Cutout Diameter: 10mm / 0.4inch</span> <span style="font-size:16px;font-family:Arial;"> <p class="MsoNormal"> <span>Size: Approx. <span>150*85*45mm/5.9*3.3*1.8inch</span></span> <p class="MsoNormal"> <span><span><span><span>Weight: Approx. 586g / 20.7oz</span></span></span></span> </span><span style="font-size:16px;font-family:Arial;"></span> <strong><span style="font-size:16px;font-family:Arial;">Package List:</span></strong> <span style="font-size:16px;font-family:Arial;">1 x Speed Controller</span> <strong><span style="font-size:16px;font-family:Arial;">Note:</span></strong> <span style="font-size:16px;font-family:Arial;">1. This DC motor controller input is connected to direct current, CANNOT be connected to alternating current, or it will be burnt.</span> <span style="font-size:16px;font-family:Arial;">2. Make sure the positive and negative polarity is connected correctly, otherwise the controller will be damaged.</span> <span style="font-size:16px;font-family:Arial;">3. Please allow small size error due to manual measurement. Thanks for your understanding. </span>