1、Effortless Cleaning: The robot attaches well with 2500Pa suction power, which liberates your hands and time out of the annoying window cleaning work and avoids the risk of standing and working at height. The unique double spray water effectively keeps a constant mopping humid status, dissolving stubborn stains as easy as anything. 2、Highest Safety: The internal drive system ensures non slip steady movement and against power failure, thanks to strudy materials and accurate gravity settings, which can't be safer. 3、For WIN SLAM 3.0: The robot cleans the window completely and thoroughly with an effective forward reverse motion in 3 adaptive modes, quick cleaning, deep cleaning and spot stain removal. 4、Edge Detection: Even frameless glasses cleaning is nothing difficult due to the high accuracy coupling sensor, which detects edges and fits the cleaning path within 0.02 seconds. 5、50ml Reservoir: The strong capacity of reservoir and water saving spray enables neither frequent mopping pad replacement nor frequent water tank refilling. It ensures thorough cleaning every time. Item Type: Window Cleaning Robot Material: ABS, Metal, Electronic Components Weight: Approx. 2118g / 74.7oz Host Battery Model: Lithium Battery, 650mah Remote Control Battery: 2 x AAA Batteries (Not Included) Product Size: Approx. 216x216x42mm / 8.5x8.5x1.7in 1 x Window Cleaning Robot 3 x Cleaning Cloths 1 x Adapter 1 x Plug 1 x Small Water Kettle 1 x Remote Control 1 x Instruction Manual