Pls Note: This air switch is stainless steel polished.Etoolcity Dual-Outlet Air Switch Kit Let You Deal with Sink Garbage Easier.It is a convenient alternative to the traditional wall switch and a perfect fit for most brand or model of garbage disposers(<2HP). Tips: must have AC power below sink.Also it is connection device as a part of garbage disposal, massage chair, or vacuum.5 easy steps to installStep 1:If there is no sink hole, you can mount the push button through the counter top by drilling a hole (not less then 1-1/4 in).Step 2:Place the rubber gasket between push button and the top of sink counter. Tighten the plastic nut under the sink counter to ensure a watertight seal.Step 3:Attach the air tubing between the push button and the control unit. Push the tubing tightly onto the molded protrusions.Step 4:Plug the control unit into a dedicated, grounded 120V AC outlet that is continuously powered.Step 5:Plug the disposer power cord into the control unit. Press push button to ensure that the countertop switch turns the disposer on and off.NOTE:▲Press switch button to turn the disposer on and press again to turn the disposer off.▲Disposer may start when disposer cord is plugged into the power module. Push the Countertop Switch button once to stop the disposer.Specifications:●Working voltage: AV110-240V(50/60Hz)●Working current: 110V/16A; 220V/10A●Max power: 2000WPackage Included:●1x Dual-outlet power module●1x Stainless steel push button●1x 1 m/3.3 ft Soft Tube●2x Mounting screws●1x Installation instruction●1x Strong nano-markless hook sticker