SPECIFICATIONSBrand Name: NoEnName_NullCN: GuangdongChoice: yesCraft of Weaving: TatHign-concerned Chemical: NoneMaterial: otherOrigin: Mainland Chinasemi_Choice: yesCompatible models:For Purerobo W-R1, W-R3, W-R3S, W-R4, W-R4S and other window cleaning robots.For Hobot168 Hobot188 Hobot198 Hobot358 Hobot388 Window vacuum cleaner.