["Description:\nbrand new and high quality\nFeature:\nMade of high-quality metal material, durable, firm and has a long service life.\nIt is a kind of device that is used to djust the speed of the DC motor.\nEasy and simple to install and operate, very useful and practical.\nWidely used in CNC machine tools, textile printing and dyeing, optical cable equipment, electrical machinery, food processing machinery, experimental equipment, welding and cutting, light industry machinery, logistics transportation equipment, communication equipment, satellite ground receiving system and other industries.\nDC Motor Speed Controller only, other accessories demo in the picture is not included!\n\nSpecifications:\nItem Type: DC Motor Speed Controller\nMaterial: plastic+metal\nSize: 50x32mm/1.9x1.2in\nColor: Green+Silver+Black\nInput voltage range: DC 12V-30V\nApplicable current range: rated 7A, maximum 10A\nSpeed adjustment range: 5% -(less than 5%: turn off the potentiometer switch to stop the motor.)\nQuantity: 1 PC\n\nNote:\nNo retail package.\nTransition: 1cm=10mm=0.39inch\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Includes:\n1 x DC Motor Speed Controller"]