DESC: 4 More fully programmable function keys with LEDs (8 total!) for even greater mobile operability in a compact handset. Enhanced LCD display has a full 24-character 2 line display with a 3rd line for unique call status icons. All the display guidance provided to DSX keyset users is now available on their Cordless DECT. Comes complete with a base unit that connects directly to a digital station port. Robust 16 hour talk time with 7 day standby using the provided Nickel Metal Hydride battery (2.4V-910 mAh). AC Adapter. Handset charging cradle with a slot to charge a spare battery. Replacement Battery NEC-730643. Black.