Classic 2-wire CARLO single-family doorphone, it can be connected to a standard bell installation. Surface mounting, protective rain cover included, illuminated place for name, possibility of creating a more complex system by connecting additional elements. Additionally, the product may be responsible for the gate control. The set has a two-stage bell volume control, and the intercom function (communication between two uniphones within one subscriber) is possible after using an additional uniphone. Electric strike (recommended with memory function) does not require additional power supply.