Full DescriptionThe Comelit 2708W/A 2 Button Audio Entry Phone is a hands-free door entry phone with a key button, button for additional services such as calls to the porter switchboard, call volume adjustment, silent mode (privacy) and floor call input. It has a 2-wire connection and is powered by the Simplebus 1 system. It is a simple and easy-to-use door entry phone that is ideal for a wide range of applications, including residential homes, apartments, condominiums, businesses, and offices. Key Features Hands-free full-duplex audio: Allows you to communicate with visitors without having to pick up a handset. Key button: For opening the door or gate. Button for additional services: Can be programmed to call the porter switchboard, other door entry phones in the system, or other devices. Call volume adjustment: Allows you to adjust the volume of the call signal to your liking. Silent mode (privacy): Mutes the call signal so that you are not disturbed. Floor call input: Allows you to call the elevator from your door entry phone. 2-wire connection: Easy to install and connect. Powered by the Simplebus 1 system: No need for a separate power supply. The Comelit 2708W/A 2 Button Audio Entry Phone is a reliable and affordable door entry phone that is ideal for a wide range of applications. Here are some of the benefits of using the Comelit 2708W/A: Easy to use and install Convenient features such as hands-free audio, key button, and silent mode Compatible with the Simplebus 1 system Reliable and affordable Overall, the Comelit 2708W/A is a great option for anyone looking for a simple and reliable door entry phone.