The ERA Wireless DECT Telephone Intercom is specially designed for convenience. The user may have up to 4 handsets per system, and may answer landline calls from the same handset. The handset holds a battery time of approximately 10 days, while the outdoor station has a battery life of approximately 1 year (based on 2x daily use). Additionally, the 300 metre range means it is suitable even for very large properties.