... unit can support 300pcs of call bell. -------Different kind of color for your choice -------MOQ: 1 Complete set, which consist of table button, signal ... for warranty items.In most cases, buyer will only have to return the problem components rather than the entire package. Before ... Information: DHL, EMS, FEDEX,UPS door to door service, 5-7 days from China to your Country. 4. Payment Method: T/T ...