Features: brand new and high quality. 12 volt speed switch is widely used for adjust motor speed, automobile fan heater control, defroster, fans speed regulation, etc. 12V Brightness or Speed Control Power Switch Cable for 12V Ceiling Fan,Single Color LED Light lamp,Car Fan Heater and more. Easy to adjust and control speed of for DC motor, simple wiring and convenient to use, a great replacement for broken one. Wide Application: Mainly Used To Adjust The Brightness Of Single Color LED Lights,12V BBQ fan, car Heater,car fan and so on. input cable black clip is negative,red clip is positive,RCA plug output negative inside,positive outside(you can cut the output cable to conncet your device). Specifications: input voltage: for DC 12V 0-5A 200W max RCA plug output nagetive inside,positive outside(you can cut the output cable to conncet your device) Material: Plastic+metal cable total length: 98cm/38.5inch Quantity: 1 Package Includes: 1x 12V clip to RCA Speed Controller switch cable note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.