1 Easy installation: The air switch button can be easily installed between 1 1/4" and 1 3/4" of any sink or counter mounting borehole The 2 5-inch fuselage can be mounted on thicker surfaces, such as granite, marble and quartz lf 2 Safety: The power cable is UL certified and can be used for a long time Suitable for 110V to 130V voltage 3 Good compatibility: compatible with Waste processors of any brand (2HP), and fully compatible with Waste King, ISE, Moen, GE, etc Note: The face diameter should be between 1 1/4" and 1 4/5" Suitable for standard water slot of liquid soap machine 4 Compact size: no power cord, more convenient, save space, no installation tools can be inserted into the socket 5 ABS cover: more safe, durable, no rust, with you for a long time, keep the new state6 Waterproof: can be used with wet hands, protect your family, safe and reliable