2N® Indoor Talk – Black Version The design of the 2N® Indoor Talk answering unit will suit every flat or home. The aesthetic appearance of this product was achieved by using a glass surface and striking backlighting of its icons. However, we placed particular emphasis on selecting the highest-quality audio components in order to achieve a high-quality sound. This means you can talk to visitors outside as if they were standing right next to you. Invite them in and press the icon to open the door from the comfort of your home. - Luxury design and materials - Modification to your requirements - HD quality sound with high volume