VALVE REQUIRED: This controller requires Moen valve S3104 to complete installation FULL CUSTOMIZATION: Electronic controls allow you to change water temperature with pinpoint accuracy for a more customized shower VOICE ASSISTANCE: Control your shower remotely with the sound of your voice using Amazon Alexa, Apple Siri/HomeKit, Google Assistant, and U by Moen smartphone apps SOFT TOUCH BUTTONS: Easy to read 5" non-touch LCD screen features soft-touch buttons that operate four outlets, plus power, temperature, and preset selection BOLD STATEMENT: Smart home control panel for the shower has a matte black finish WATER-SAVING FEATURE: U by Moen will notify you when the shower temperature is ready, and will automatically pause the water flow until you are ready to get in BUILT TO LAST: Backed by Moen’s Limited Lifetime Warranty