VoiceIQ Technology links proven platforms – Amazon Alexa or Google Assistant-enabled devices and Delta Touch2O Technology faucets – into a next-generation solution Touchless voice activation can turn the water on and off, pour specific amounts, and even warm up using your voice-enabled device Hand wash feature provides the proper timing for lathering, scrubbing, and rinsing your hands Requires 6 AA (included) or 6 C batteries (optional) Includes A/C adapter EP102157 UNDER-SINK OUTLET REQUIRED: A wall outlet under the sink which isn’t controlled by a switch is required. 6 AA batteries (included) are required for touch activation, or purchase AC adapter EP73954 separately Touch anywhere on the kitchen spout with your wrist or forearm to start and stop the flow of water or use the single handle manually