line backlit LCD makes for easy dialing in low light conditions. KX-TGA572S Features: 5.8GHz Extra Handset / Charger, GigaRange Digital FHSS Technology, Single Line Operation, Talking Caller ID / Call Waiting, Hearing Aid Compatible, Wall Mountable, Speakerphone, Big Button Illuminated Talking Keypad, Amplified Handset Increases Incoming Sound, 3-Line Backlit LCD Display, Slow Talk in Handset, 50 Station Name / Number Caller ID Memory, 50 Station Phone Directory / Dialer, Wireless Network Friendly, Voice Enhancer Technology, 3 Selectable Ringtones, Adjustable Ringer / Volume Control, Ringer ID / Light-Up ID Customize Ringer / Light-Up IDs for Incoming Calls, Intercom, Icon Operation, Redial, Hold, Mute, Pause, Flash, Low Battery / Out of Range Indicator, 2.5mm Headset Jack, Will Not Work Without Base: KX-TG5761, KX-TG5766, KX-TG5767, KX-TG5771, KX-TG5776, KX-TG5777 Additional Batteries For This Model Are: HHR-P105 / GE-TL26420"""  (less)