If I bought two of these (e.g. so I could have one in the outside office and one in the house), would they both work from a single button? Thanks.

Hi, Thank you for your question. This Kingavon White Digital Plug In Wireless Door Chime is not linkable. The following doorbells are linkable: https://www.lenehans.ie/lloytron-wireless-door-ki.html https://www.lenehans.ie/lloytron-portable-door-chime-usb-chargea.html https://www.lenehans.ie/lloytron-wireless-wall-door-chime-grey.html https://www.lenehans.ie/lloytron-mip3-black-32-melody-wireless-door-bell.html