【Four-Handset System for Complete Home Coverage]】Includes four fully cordless handsets so family members can place phones in multiple rooms. Supports up to four registered handsets per base, allowing flexible, whole-home communication without additional phone jacks. 【Advanced Call Blocking — Block up to 1000 Numbers】Stop unwanted calls with powerful nuisance blocking. Store and block up to 1000 numbers, or block by call type to prevent robocalls, anonymous calls, and repeated nuisance callers from reaching your home. 【Digital Answering Machine with 30 Minutes Recording Time】Never miss important messages. The built-in answering machine stores up to 30 minutes of incoming messages, outgoing announcements, and memos. Manage messages directly from any handset or the base. 【Amplify Feature + Hearing Aid Compatible】The Amplify function boosts the earpiece volume for clearer conversations, especially helpful for users with mild hearing difficulties. Fully hearing-aid compatible, ensuring comfortable and easy-to-hear sound quality. 【Bright Backlit Display & Easy-to-Read Keypad】Large, bright backlit displays make names, numbers, and menu options easy to see day or night. Ideal for seniors or users with reduced vision who prefer a simple, clear layout. 【Hands-Free Speakerphone for Convenient Conversations】Each handset features a built-in speakerphone for hands-free use while cooking, working, or moving around. Enjoy clear voice quality without needing to hold the handset. 【Night Mode, Redial Memory & Cordless Placement Freedom】Enable Night Mode for quiet hours while still receiving messages. Quickly redial up to 10 previously dialed numbers. All four handsets are fully cordless, allowing placement anywhere within range for maximum convenience. 【Caller ID, Internal Calls & 3-Way Conversations】Caller ID shows who’s calling, and the calls list stores information for the last 20 callers. Easily make internal calls between handsets, transfer external calls, or set up 3-way conversations between two internal users and one outside caller.