liectroux n7s u robot vacuum cleaner and wet mop combo smart mapping wifi app 4000pa bldc motor ideal for pet hair carpet floorIntroduction: The Liectroux N7S U robot vacuum cleaner is designed to make home cleaning a breeze. With its gyroscope model and powerful 4400mah battery, this vacuum ensures thorough and efficient cleaning. Functions: Works with Amazon Alexa or Google Assistant. 2D Map Display (Tuya WiFi App) to show the real time working route map by app. Map Navigation to detect the entire environment around and then build up the map inside the CPU so that it do