Safe and durable, no need to worry about potential damage or safety risks. Our dual outlet air switch replaces the traditional single outlet. One-touch control of the garbage disposal air switch provides on-demand power supply. We redesigned the pneumatic button to be more responsive and durable, and will never fade or discolor.no tools required. It is designed to fit perfectly into standard sinks with soap dispensers ranging from 1.25inch to 1.35inch in diameter. Otherwise you will need to drill the holes yourself Excellent compatibility: Can be used with any brand of garbage disposer (less than equal 2.5HP), compatible with for , for , for , for , etc. For a better match, choose long/3.6inch buttons based on your countertop thickness. In most cases, long buttons are used on thicker countertops such as , marble, and quartz. Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage:AC100-240V Colour:Black Material:Plastic+Metal Size:button size:B:3.6 Inch Package Contents: 1 * US pressure switch 1 * button 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.