White Rotary Fan Speed Controller Switch Single / Double Knob Ceiling Fan Regulator Wall Switch

White Rotary Fan Speed Controller Switch Single / Double Knob Ceiling Fan Regulator Wall Switch. The copper components are made of 100 percent pure phosphor bronze;we strictly avoid the use of scrap materials to ensure product safety. The plastic components are made of high-quality flame-retardant material. Support OEM and ODM service. CE ROHS IEC ISO certification,We support performing specified certifications based on order requirements.