UHPPOTE Non-visual One-to-one Intercom Doorphone Wired Two-way Audio linerphone

Price: $45.60
(as of Feb 26, 2023 12:38:50 UTC – Details)

Intercom doorphone for double rooms, widely used in offices, warehouses, families, etc.
There is a connection cable between this doorphone, and they need to be wired to each other to make sure it could work well.
The maximum operating distance is 200m/656ft when it is connected by RVV2(2 PIN) cable. (3.3ft cable come with this parcel)
Plug into 110VAC power or insert 4 cells of R6P size AA 1.5V (alkaline) into the cabinet of both the talkback pair. (Battery is not included)