Feature: 1. REMOTE AND BUTTON CONTROL: The window cleaner robot is easy to operate. Simply press the start button on the body to plan the route automatically. And you can control the route of the window cleaner by remote control, fasten the safety cord and connect the power supply. 2. 40ML WATER TANK: The water spray window cleaning robot comes with a 40ML water tank that sprays water every 10 seconds for even coverage. Let the robot clean according to your needs. 3. 2800PA STRONG SUCTION: The window cleaning robot has 2800Pa strong suction, no slip, multi layer composite track design, inner strong friction material with gears, designed for attaching smooth surfaces. 4. 5 PROTECTION MEASURES: The window cleaner robot intelligently prejudge the danger, edge sensor, accurately determine the boundary position, 5 protection measures, sensitive and safe. 5. SQUARENESS APPEARANCE: Our window cleaner robot has a squareness appearance, less leakage, high coverage, bearing corners, safer, suitable for home and office use. Specification: Item Type: Window Cleaning Robot Material: ABS Noise: 65dB Rated Power: 80W Host Battery: 3.7V Polymers Lithium Battery 603030 650mah x 1 (Shipped With Built In Battery) Control Mode: Infrared Remote Control Remote Control Battery: 2 x 1.5V AAA Battery 1300mah (Shipped With Matching Battery) Suction Power: 2800Pa Borderless Detection: Automatic Fall Prevention Control: UPS Uninterruptible Power Supply System/Safety Rope Water Spray Mode: Automatic Or Manual Cleaning Mode: 3 Kinds Water Tank: 40ML Cleaning Speed: 2.5min/Spm UPS Power Failure Protection Time: 20min Size (LxWxH): Approx. 250 x 250 x 80mm / 9.8 x 9.8 x 3.1in. Package List: 1 x Window Cleaner Robot3 x Spare Cleaning Cloth1 x Spray Bottle1 x Remote Control2 x Battery1 x Charging Cable1 x Adapter1 x Instruction Manual