Engenius extra handset and charger- For use with the long range industrial cordless DURAFON 4X (4 port/line base unit)- 2-Way broadcast- Handset-to-handset intercom- 12 floor/3,000 acre/250,000 square feet range- Caller ID, call waiting caller ID- Scalable and reliable- 2.5mm headset jack- BlackPackage Contents: A/C adapter, Handset and charger, Belt clip, Antenna