Protect your privacy and maintain a peaceful environment with this advanced Call Blocker, designed to effectively manage and block unwanted nuisance calls. Crafted from durable ABS material, this device offers a reliable solution to safeguard your personal space by filtering and blocking intrusive calls with ease. Key Features: · Large Capacity Blacklist Storage: Supports up to 4000 groups of blacklisted numbers, providing extensive coverage to block unwanted calls. · Clear LCD Screen Display: Features an easy-to-read LCD screen with 5 levels of brightness adjustment for optimal visibility in any lighting condition. · Simple Operation with Easy Controls: Designed with user-friendly buttons, including a dedicated "block" button to permanently block incoming nuisance calls effortlessly. · Plug and Play Design: Equipped with dual plugs for easy installation, compatible with most landline phones without complicated setup. · Anti-Harassment Function: Advanced call filtering technology effectively blocks nuisance calls, ensuring your privacy and creating a disturbance-free environment. · Call List Capacity: Stores up to 100 recent calls for convenient review and management. Specifications: · Material: ABS · Number of Blacklists: 4000 Groups · Call List Capacity: 100 · Display Brightness: 5 Levels of Adjustment Package Includes: · 1 x Call Blocker This Call Blocker is an essential device for anyone looking to block telemarketers, spam calls, and other unwanted disturbances. Its large blacklist capacity combined with simple, intuitive controls and clear LCD display make it a practical and effective choice for protecting your privacy on landline phones.