Wide Using Range:Home or Office intercom system wireless transmission at a safe frequency will not interfere with other devices. The intercom system allows you to communicate easily and effectively at home or in the office. Wireless intercoms for home are widely used in homes, offices, hotels, restaurants, hospitals, banks, stores, and other places.
Wireless Intercom System: Door Phone Intercom System, no telephone wires needed, built-in rechargeable battery, works with or without electricity power, standby time 30 days. Save your phone bills.
High Performance: Use 433MHz working frequency,clear Voice and secure digital communication,strong anti-interference signal.
Technical Innovation:Home intercom system has good range. Range up to 1km or 1000m.