VTech SN7021 Cordless Audio Door intercom

The VTech SN7021 Cordless Audio Doorbell is a 2-Way weather-resistant audio doorbell where you can talk to the visitors from inside your home with a cordless phone system. This device gives you added peace of mind at home by allowing you to screen visitors before opening the door. When a visitor presses the button on the doorbell, your CareLine amplified cordless phone's handsets and base chime to let you know someone's there. Then, you can have a conversation through your phone system, without getting up. The included batteries offer long battery life and can last up to a year.