[DETAIL] Applicable Models: All Robotic Vacuum Cleaner Notice: 1:Threshold bar available threshold height: Ecovacs such rags thicker sweeper, the recommended available threshold height of 1.5-2 cm, other rags for the thin cloth sweeper recommended available threshold height of 1.5-2.5 cm. 2:When first used, as the map has been built, the threshold bar requires manual assistance machine uphill (drive the machine on the threshold can be, or reset the build map can also be). 3:The sliding door with a groove in the middle is not suitable for the use of the threshold bar, the machine will be stuck in the groove. [ATTRIBUTES] - Hign-concerned Chemical: None - Origin: Mainland China - Type: Vacuum Cleaner Parts - Hign-concerned Chemical: None - Origin: Mainland China - Type: Vacuum Cleaner Parts