Description The item is a touch sensor desk lamp 3 way sensor switch, which have low, medium, high and off functions, suitable for 3-way touch lamp, you can use it to replace the old or damaged switch. The best repair switch for you. Features - Brand: Rosenice.- Material: Plastic and copper wire.- Size: 15.00X3.40X1.00cm/5.89X1.34X0.39in.- AC: 120V/240V; 50Hz/60Hz.- 3 levels: low, medium, high, then off.- Suitable for 3-way touch lamp (ordinary light bulbs 60W or less).- Red wire connecte to input (plug) live wire; Black wire as a common Null wire (connect input and output Null lines respectively); White wire connecte to the output live wire of the light source (ie bulb); Yellow wire must connect to the metal part of the lamp.- After installing the touch device, dimming or open lamp can not allowed on power cord.- No need to find where the switch is in darkness, touch the light body, you can easily switch on or off and adjust the brightness. - Fit for general light bulbs, not fit for LED bulb or energy saving lamps, pls make sure this point before purchase.Packing list: 1 x Rosenice 3-way Sensor Switch