The Panasonic KX-TGF320EM features a 2-in-1 design that makes it ideal for home offices. Consisting of a smart black corded phone to sit on your desk and a cordless handset that you can use as you move around the office. Simple and easy to use, it also features a dedicated Nuisance Call Block registration button to help you cut out unwanted calls. Access contacts, features and more on the large 3.4-inch (8.6 cm) white illuminated display on the wired handset. It includes a tilt function to make it easily visible from any angle. A Nuisance Call Blocker means you can do away with unwanted calls. It'll let you block up to 100 individual numbers and groups of numbers based on the first few digits, as well as blocking all calls from withheld numbers, making it easy to avoid sales calls. The 2-in-1 Phone has a power back up operation allowing you to continue using the base in case of a power cut by using two AAA batteries. A whopping 100 name and number phonebook should easily accommodate all your business contacts, while 40 minutes of answering machine storage time makes it easier to catch up with the calls you missed. The wireless handset can be left off the charging base in standby for up to 300 hours , or provide enough battery to get you through an incredible 14 hours of talk time.