Seniors and housewives are targeted by aggressive sales and solicitors. The home phone call blocker is designed for those who are annoyed by telemarketing sales calls. This call blocker prevents repeated junk calls effectively. It’s extremely easy to use and set up. Just plug the blocker into your phone line and then the blocker into you phone with the provided cord. The phone blocker uses a high-tech technology to filter annoyance calls and uninvited calls. All you need to do is hitting BLOCK button, you will not get annoying robocalls constantly anymore. Make your life less stressful and simplify your daily life. One touch blocking of unwanted calls It is Incredibly simple to block nuisance calls by simply pressing the red button to stop a cell-phone telemarketer. Large capacity & no extra power required It can block up to 2000 numbers into blacklist. It draws power from the landline. No extra powered is needed. Block calls with * key If you are answering a call in the kitchen(blocker is in bedroom), you can block it by hitting the * key on remote headset. Block all private calls automatically Switch on BLOCK NO CID to filter all incoming calls without caller ID, out of area and unknown area. Memory features The call data on the blocker wont be lost even if the power goes off. Support extensions When you connect the device to your landline, it will support a maximum of 3 phone extensions Reviewing & Deleting Recorded Calls List Press the left or right arrow to review the recorded call log. Press the DELETE button twice quickly to delete any displayed number from the CALL log. Note The phone requires caller ID display service for blocker to work. Blocker does not display the name of caller.