The Hosmart HY810A 6-Channel Wireless Intercom System (3 Pack) boasts a range of 1/2 mile, making it perfect for large properties or neighborhoods. Each unit in the pack offers 6 channels for clear communication. With its wireless feature, this audio intercom system by Hosmart allows for easy installation and use without the need for cords or wires. The model HY810A ensures reliable performance and quality sound for your intercom needs.