Alexa & Smart App Controls: Use Alexa voice commands to direct cleaning. Use the ECOVACS App to customize, schedule & monitor cleaning sessions, accessory status, & receive error alerts. Note: Requires 2.4G Hz Wi-Fi3-Stage Cleaning System: High-efficiency vacuum suction, deep reach helix main brush & wide reach side brushes guided by intelligent navigation system, plus 3 specialized cleaning modes1.7 Hours Battery Life: Lithium battery supports up to 100+ minutes of quiet cleaning, a 1000 pa power max cleaning mode & air filtration. Note: Results vary depending on floor typeAnti-Collision & Drop Sensor Protection: Comprehensive, intelligent sensor safety technology plus soft, durable protective bumpers1-Year Warranty, plus Accessories: Includes (1) instruction manual, (1) remote control, (1) main brush, (4) side brushes, (1) power adapter, (1) docking station & fantastic customer support