Part of the CD501 series Includes one handset Two phone lines offer increased flexibility and improved communication options Built-in answering machine ensures no call goes unattended DECT 6.0 offers enhanced sound quality, improved range, and secure conversations Large display provides clear visibility for easy operation Large, tactile keypad with lit up graphics and backlight let you use this phone easily in different settings Hearing aid compatible and five levels of amplification up to 10dB (through a dedicated key) make this telephone great for users with hearing impairment Direct Dial Memory Keys let you save the frequently dialed numbers for quick dialing in future Phonebook with capacity to store 150 names and number improves your convenience Call Block features can block up to 10 unwanted numbers or by call type