Window Cleaning Robot Professional 2800Pa Suction Atomization Smart Edges Detection Technology Window Cleaner Robot for Window Tiles Glass Door US Plug Item Type: Window Cleaning Robot Material: ABS Weight: Approx. 2220g/78.3oz Size: Approx. 240x223x75mm / 9.45x8.78x2.95in Power: 72W Built In Battery: Polymer Lithium Batteries 650mah (Included) (Non Constant Power System, Renewable 25 Minutes Power) Remote Control: 2 AAA Batteries (Not Included) Sensor: Support for MEMS Auto Detection, Wipe the Completion of the Automatic Stop Origin Edges Detection: High Accuracy Barometer Edges Detection, The Interval Between the Two Pieces of Glass > 0.3mm Fall Prevention Power Outage Guard: Support Ups, Built In Power System, Renewable Power 25 Minutes of Electricity Cleaning Route: 5 Cleaning Modes (Z Type, N Type, Z N Type, Fixed Point, Along the Edges) Cleaning Stunt: Front Roller Brush Wipe Forward, Reverse Rotation, So That the Glass, Border Cleaner Water Spray Function: Automatic Water Spray (A Total of 3 Sets of Nozzles) Voice Function: Fixed Voice Broadcast Water Tank Capacity: Water Tank 30ml (Tap Water, Glass Special Cleaner) Brushless Motor: 2800pa Noise: About 63db Remote Controller: 2.4G (Distance ≤ 8, No Dead Angle) Safety Rope: High Strength Safety Rope, Rope Buckle Rope Length: Approx. 4.5m/14.8ft Cleaning Speed: 3 Minutes per ㎡