Functions: 1.D5 uses a high-speed fan motor for strong suction, better stability and deep cleaning. 2.D5 cleans your windows quietly, without interrupting your daily activities! 3.D5 features a wrap-around microfiber Cleaning Pad and two Squeegees for an efficient 3-Stage Cleaning process. 4.Simple 3-Step Operation 5.Automatic Cleaning Path and Memory 6.The double Cushion Bumper, on the upper and lower part of WS800, is surrounded by soft material that protects your window frames during cleaning. 7.WS800 is perfectly suitable for frameless windows due to its Ball Sensors, that allow it to intelligently detect the edges of frameless glass and prevent the window cleaning robot from falling. 8.Suitable for different types of glass 9.By adding the extension cord, the power cord can reach up to 4.3 meters long, and with the Safety Pod and Tether, cleaning high rise windows is safer than ever! 10.The remote control allows you to conveniently start, pause, and manage the direction of your WS800 from a distance! Specification: 1.Color: White 2.Product Dimensions(mm):L252.7*W252.4*H81.5 3.Surface Treatment : ABS 4.Auto Cleaning Path:"Z" cleaning & "N" cleaning & "Z","Nâ?� cleaning mode 5.Back-Up Battery Capacity(mAh): 600 6.Back-Up Battery Voltage(V): 14.8 7.Working Voltage(V): 24 8.Main Unit Rated Power(W): 80 9.Crossing the gap of the joint glass: Max Width 4mm Max Depth is 8mm 10.Noise(db): 48 11.Power Cord : 2.8M/9.19ft 12.Movement(m2):1â??40â??â?? 13.Tether(m): 1.5M/4.92ft 14.Extension Cord(m) 1.5M/4.92ft Whatâ??s in the color box: 1 * piece window cleaning robot 1 * 2000mAh rechargeable battery 2 * mopping cloth 1 * manual 1 * quick use guide 1 * warranty card 1 * Power Cord 1 * Extension Cord 1 * Transformer