ITEM NAME:2 X 110V 3Way Light Touch Sensor Switch Control for Lamp Desk Bulb Dimmer R I7S6 2 X 110V 3Way Light Touch Sensor Switch Control for Lamp Desk Bulb Dimmer R I7S6 100% Brand New,Easy install, high quality,CE ApprovalNote: Connect the wire correct The power of lamp can not exceed 60W The yellow line must connect with conductor, such as metal, can not connect with plastic or wood After install the touch device, dimming or open lamp can not allowed on power cord Fitment:Fit for ordinary light bulbs, not suitable for LED bulb or energy saving lamps Material: Plastic Color: Black Size: 4.5cm x 3.5cm x 1.5cm (1.8"x1.4"x0.6") Wire Length: Approx. 9cm (3.5") AC:100-240V 50Hz Levels: low, medium, high, then off Wiring:Red Wire - Power Input/Black Wire - Common Zero Line (Input/Output)/White Wire - Lamp Output/Yellow Wire - Ground Line Package includes:2 x 3-way sensor switch Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Wiring:Red Wire - Power Input/Black Wire - Common Zero Line (Input/Output)/White Wire - Lamp Output/Yellow Wire - Ground Line. After install the touch device, dimming or open lamp can not allowed on power cord.