EnGenius DuraFon 4X Handset: * Designed for rugged industrial use * Handset function as telephone and 2-way radio * Full-duplex intercom or half duplex broadcast * 4-line LCD * 2.5mm headset port * Compatible with DuraFon 4X and EP-490 systems * Includes desktop charging cradle, AC adapter, li-ion battery pack, low profile handset antenna, optimal performance handset antenna and belt clip