1. Large Blacklist, Our Phone Display Landline Has A Large Blacklist Storing 2000 Groups, Ensuring All Annoying Calls Are Blocked. This Ensures You Enjoy A Quiet, Uninterrupted Call Experience. 2. Plug And Play: Our Phone Shielding Device Features A Dual-Plug Design, Allowing It To Connect To Most Landline Phones. This Ensures You Can Start Using It Immediately Without Any Complicated Setup. 3. Anti-Harassment, Call Blocker Can Block Annoying Calls And Provide Super Filtering And Anti-Harassment Functions To Ensure That Your Personal Space Is Protected. This Will Ensure You Have A Calm, Uninterrupted Call Experience. 4. Easy To Use, Our Landline Phone Caller Id Box Is Easy To Use, Just Press The "Block" Button To Permanently Block Incoming Calls. This Ensures That You Can Block Unwanted Calls Quickly And Easily Without Any Hassle. 5. Lcd Screen Display, My Call Interceptor Has An Lcd Screen Display For Easy Operation. The Push-Button Simplicity Ensures You Can Block Annoying Calls Quickly And Easily. Our Phone Display Box Is Made Of High Quality Abs Material Support Cordless Phone: Support Function: 2000 Sets Of Super Filtering To Prevent Harassment Material: ABS Touch Screen: None Caller Id: Yes Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Package Contents: 1 x Call Blocker 1 x Cable 1 x English Manual