The 15 minutes of internal standby power supply makes it possible to prevent power failure. Equipped with safety rope, it can operate reliably at high-level. With vacuum adsorption system, it is cleaned by vacuum adsorption of dust attached to the surface. Automatic or remote control operation makes your window cleaning quick and efficient. Made of ABS high quality material, it is lightweight and portable. The length of the product is 29.5cm, the width is 14.8cm and the height is 12cm. It is suitable for windows/walls/floors/tables, etc. You can freely choose from top to bottom, left to right or right to left control mode to clean. It has intelligent vacuum adjustment and intelligent monitoring support system under various conditions. Item Name: Window Cleaner Robot Material: ABS Input Voltage: 100~240V, 50~60Hz Battery Capacity: 450mAh (Included) Plug Type: EU/US Plug Power: 80W Capacity: Water Tank: 15ml Specification: With/Without Water Spray Function Battery Using Time: 15Min Cleaning Mode: 3 Modes Safety Rope Length: 4.5m Adapter Output: 24V/3.75A Cleaning Speed: 4 Minutes Per Square Meter Scope of Window Cleaning: Height: 6m, Width: 5m Size Details: 29.5cm x 14.8cm x 12cm/11.61" x 5.83" x 4.72" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Window Cleaning Robot 1 x Remote Control 10 x Cleaning Cloth 1 x Power Plug 1 x Safety Rope 1 x Power Adapter (Extension Cable Included) 1 x Spray Bottle 1 x User Manual