Fine workmanship: this laser distance sensor is made of high-quality materials, which is durable 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/S80+/S85+/S80 Pro Ultra/S85 Pro Ultra/S70 Max Ultra/S75 Max Ultra/Q Revo0/Q Revo5/Q55 Pro/Q55 Pro+/Q80 Max/Q85 Max/Q80 Max+/Q85 Max+ T8 T8plusColour:BlackMaterial:plasticPackage Contents:1 x Vacuum cleaner laser ranging sensorOnly 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.