[name] dimmer DimmerColor: Transparent [Size] Outer dimension: 70mm x 33mm x 24mm (length x width x height, excluding the height of the button cap, the diameter of the button cap is 25mm); [Accessories] 1 dimmer core, 1 button cap, 1 front cover and 1 back cover (the new version of the dimmer does not need nuts to fix it, just press and fix it with button cover) [Features] (incandescent bulbs or tungsten halogen bulbs can be used, energy-saving lamps and fluorescent lamps and LEDs are not available) Light source selection: 1. The owner recommends incandescent bulbs; 2. Tungsten filament bulbs such as lamp beads and lamp cups (Due to voltage, etc., the use of energy-saving lamps energy will shorten the service life and burn out easily. After the energy-saving lamp is dimmed, either the light flickers or the energy-saving lamp squeaks. This directly affects the service life, so it is recommended that table lamps that have changed the dimmer no longer use energy-saving lamps) [Installation] First open the wires, keep one end of the wire, cut the other end, insert the left and right into the welding port for welding, install the front cover, then install the back cover, and finally install the button cap. [Usage] The desk lamp switch replaces the power switch and the brightness can be adjusted slowly. Adjust the light slowly, it is more convenient and flexible to use! Note: For your safety, please turn off the power during installation. If you don't understand, please ask a professional electrician to install it to avoid electric shock! Note: The data is all manual measurement, please allow 1 - 3cm error, in Due to the light and display difference, there will be a certain color difference, depending on the physical object received Delivery Quantity: (according to the main image)