Feature: 1. HIGH ACCURACY SENSOR: Window cleaning robot adopts high accuracy aerair pressure sensor, intelligent detection frame, effective resistance to strong light interference, upgrading barriers, and after touch, automatically adjust the angle to avoid collision and accidental grabbing. 2. ADVANCED TECHNOLOGY: Window cleaner robot adopts advanced atomization technology, super atomized water droplets, better match the dust particles on the glass makes it easier to remove all kinds of dust spot, for Tuya intelligent APP, voice prompts, always control the work status. 3. 5 MODES: Window cleaning robot has 5 intelligent wiping modes, Z type, N type, Z N type, fixed point, along the edges cleaning, upgraded path algorithm, precise to the point, not deviate from the route, cleaning and complete coverage, do not miss scratches. 4. AUTO CLEANING: Window cleaner robot is able to clean automatically, one key start, automatic identification, multiple operation modes, automatically clean dead corners, around the glass edges, or clean important areas. 5. AUTO RECOGNITION: The smart window cleaning robot uses artificial intelligence algorithms to automatically recognize spot, enabling repeated wiping of stubborn spots. Dual roller brush design, new upgraded two way tee, nozzle cleaning more thoroughly. Specification: 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 ㎡ . Package List: 1 x Window Cleaning Robot 3 x Cleaning Cloth 1 x Screwdriver 2 x Screws 1 x Adapter 1 x Supply Cord 1 x Watering Can 1 x Remote Control 1 x User Manual Note: 1. When in use, the safety rope should be fixed on a solid object before starting the operation. 2. Manual measurement please allow some error.