The products are made of high-strength and environmentally friendly materials to optimal performance and a healthier lifestyle. The replacement of the spare parts will help your robot vacuum cleaner maintain the good cleaning performance. The powerful cleaning function makes household cleaning more time-saving and labor-saving. It is suitable for a of floors such as ceramic tiles, marble, and wood floors. As part of normal maintenance, it can be easily removed and replaced Colour:black-grey Material:plastic Package Contents: 1 x Electrically Controlled Water Tank Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.