Features: 3.The desk lamp dimmer is suitable for all kinds of lighting, allowing the lamp to have 3 luminosity to choose at will and the installation is very simple and convenient.4.Instructions for use: 1. First consider whether the wiring is correct. 2. The power of the bulb cannot exceed 60W. 3. After the touch device is installed, the power cord cannot have a dimmer switch. 4. The lamp body connected to the yellow wire must be a conductor, such as metal. It cannot be used if it is loaded with plastic or wood. 5.It cannot be equipped with energy-saving lamps and LED bulbs. Only ordinary bulbs can be installed.5.Wiring method: the red wire is connected to the input (plug) live wire, the black wire is the common neutral wire (respectively connected to the neutral wire of the input and output), the white wire is connected to the output live wire of the light source (bulb), and the yellow wire with the ground wire ear should be connected to the ground ( The metal part of the lamp base). The lamp body connected to the yellow wire must be a conductor, such as metal, such as plastic or wood can not be used.Warm reminder: Because energy-saving lamps are not dimmable, 3 way desk light dimmer is only suitable for ordinary bulbs (within 60W), not suitable for energy-saving lamps and LED lights, hereby remind all buyers to pay attention.Specifications:Material: PlasticColor: MulticolorBrand name: BQLZRSize: 4.5x3.5x1.4cm/1.77x1.38x0.55inch(LxWxH)Weight: 18 gPackage include:1 x Control Sensor Dimmer