Feature:  - It can recognize cleaning path itself, avoid obstacle intelligently.  - Strong adsorption and super absorbent cleaning cloth can clean oil stand, dirt and dust, etc.  - Risk-free to clean in tall building, intelligent cleaning route, triple cleaning properties.  - Easy to use, just press the start key or using the remote control.  - Multiple Applications: Perfect for different types of glass, from framed windows to colored and tinted windows and also for doors, mirrors, desks, tiled wall and more.     Specification:  Material: Plastic, cloth  Color: Black/ White/ Rose gold  Size: 295x148x80mm  Plug type:US/ UK/ EU  Input Voltage: 100~240V AC, 50Hz/60Hz  Adapter output: 24V / 3.75A  Battery: 4x Li-Po, 3.7V(built-in)  Battery working time: 20 minutes  Battery life time: 2 years  Cleaning speed: 4min/㎡  Maximum cleaning area Height: 6 meters, wide:5meters    Package included:  1x Window Cleaning Robot  10x Cleaning cloth  1x Safety rope  1x Transformer  1x 4m extension cable  4x Cleaning ring  1x Remote control  1x Spray empty bottle  1x Instructions    Notes:  1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.  2. Please allow slight dimension difference due to different manual measurement.