Product Features: Touchless flush retrofit kit Covered under Kohler's 1 year limited warranty Compatible with most canister/flapper toilets Not compatible with pressure-assist, dual-flush, top-mount flush, or ballcock toilets Simple installation - takes approximately 20 minutes No-touch sensor projects an electromagnetic field that activates the flush when a hand is placed above it Powered by 4 AA batteries (included) Height: 3-1/8" Width: 3-15/16" Depth: 3-5/8" Secure mounting assembly All hardware required for installation is included Kit Includes: Touchless module with sensor Mounting hardware Battery pack 4 AA Batteries Trip lever hole cover Flush emblem for tank lid (optional) Installation and care guide Product Technologies / Benefits: Touchless: Kohler Touchless toilets are the ideal no-touch flush solution - no handle means no germs either picked up or left behind. The touchless module projects an electromagnetic field through the lid of the tank, which activates the flush when a hand is placed above. About Kohler: Gracious living is characterized by qualities of charm, good taste, generosity of spirit, and the enhancement of nature. It is Kohler's mission that you improve your sense of gracious living with every experience you have with a Kohler product or service. Kohler lives on the leading edge of design and technology, while maintaining a constant level of quality, regardless of price. It sets the standard of excellence in its field, and yet is constantly striving to improve. From sustainable products in the kitchen and bath to power systems that protect data centers and urban landscapes all over the world - this is what the Kohler company is all about.