Features: 3.It is suitable for all kinds of lamps, electrical appliances, transformers, etc. which are controlled by power cords.4.The switch lamp regulator has a long service life and is easy to install. The biggest advantage is that it can save energy and low power consumption, and is environmentally friendly.5.Scope of application: resistive heating wire, carbon brush motors and electric fans above 20W, tungsten filament lamps.Installation method Features: Wiring steps:1. The two ends of the brown wire are respectively soldered to the two round holes of the dimmer switch core.Wiring points: ��Do not expose too much of the copper wire end, otherwise it will be easy to short circuit, which will cause the switch to be short-circuited and burned.2. After soldering, the wire passes through the side of the dimmer switch core.Wiring points: �� The wire must not pass through the dimmer switch core, otherwise the adjustment switch will be short-circuited if the wire is broken, causing adjustmentThe switch is burned out.3. Close the back cover and tighten 2 screws. Finally, just press the gear knob. Once assembled, it is ready to use.Note: It is forbidden to use in LED lights and energy-saving lamps.Weight:50gSpecifications:Material:ABS PlasticColor:BlackBrand name: BQLZRSize:7.05x3.35x3.4cm/2.78x1.32x1.34inch(LxWxH)Wattage: 100WApplicable load power: Applicable 15-75W loadAssembly method: weldingPackage include:2 x Switch Lamp Regulator