SAFETY AND SECURITY: The garbage disposal air switch kit has obtained UL certification, which goes beyond just certifying the power cord. It is safe and durable, without worrying about potential damages or safety risks.FEATURE: We have redesigned the air button to be more sensitive and durable, and it will never fade or change colorHow to choose the button: Select the button based on the color of the switch. Our long button is suitable for any countertop, such as stainless steel sinks or any countertop like granite, marble, and more.EXCELLENT COMPATIBILITY: It can be used with any brand of garbage disposals (2.5HP), and is compatible with ISEWaste King, Moen, GE, and more.EASY TO INSTALL: Requires no tools. It is designed to fit perfectly into a standard sinkhole for soap dispensers with a diameter between 1 1/4" and 1 3/4". otherwise you need to drill a hole by yourself