2025 Trend 2Pcs 12V/24V DC Motor Speed Controller Universal,Knob Screw Electronic Stepless Speed Regulator Switch

High-concerned chemical : None Material : Plastic Origin : Mainland China Certification : None Specification 1 : car heater fan speed controller Specification 2 : Motor Speed Controller Specification 3 : Automobile Fan HeaterControl Specification 4 : electronic stepless speed controller Specification 5 : Adjustable Motor Speed