Usage Tips:Fine workmanship: this laser distance sensor is made of high-quality materials, which is and has a long service life. It uses a laser rangefinder sensor for precise detection and quick response. Allows the sweeper to cleverly avoid obstacles while working and easily complete cleaning tasks. And it can be adapted to the following models: G10/S70 Pro/S75 MaxV/Q70/Q75/Q70 Max/Q75 Max/Q55/S80/S85/S80and/S85and/S80 Pro Ultra/S85 Pro Ultra/S70 Max Ultra/S75 Max Ultra/Q Revo0/Q Revo5/Q55 Pro/Q55 Proand/Q80 Max/Q85 Max/Q80 Maxand/Q85 Maxand T8 T8plus Colour:Black Material:plastic Package Contents: 1 x Vacuum cleaner laser ranging sensor 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.