Upgrade Version: We redefined the air switch, made of real stainless steel, never worry fade away and fall off, more elasticity and flexiable Two Power Module Installation Methods: You can use screws to fix the power module part, or use strong nano-markless hook sticker to attach directly to the wall. Both ways are very strong Safety Security: The power module allows any garbage disposal power cord to fit safely and securely without any issues. The power line is attested by UL for security and long-term use Easy To Installe Air Button: Just drill a not less then 1-1/4 diameter hole in the sink, counter-top or front of the sink cabinet, place the rubber gasket between the push button and the top of the sink counter. Tighten the plastic nut under the sink counter to ensure a watertight seal Air switch kit includes: Single outlet power module, 5 ft long air tube, 2.5 ft power cable, stainless steel air switch button, set screws and strong nano-markless hook sticker Pls Note: This air switch is stainless steel polished. Etoolcity Single 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. Product guarantee: Full money back guarantee without reason, 2-year warranty and 24-hour support for customer service. 5 easy steps to install Step 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: 2000W Package Included: ?1x Single outlet power module ?1x Stainless steel push button ?1x 1.5m/5ft Soft Tube ?2x Mounting screws ?1x Installation instruction ?1x Strong nano-markless hook sticker