It is suitable for the control of two power sources, or the separate control of two lights, etc. Great for table lighting. A common live wire of the neutral line separates the two controls when opening and closing. Cables with a diameter of less than 6 mm are permitted. Suitable for dual-control table lamps, double floor lamps, mother lamps, etc. Color: Black Material: ABS+brass Package Contents: 2 x switch 8 x screws Only the above package content, other products are not included. Note: Light reflection 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia