Call Blocker for Landline Phones Telephone 2000 Caller ID Box Blocking One Touch Number Block Device Block Unwanted Robocalls and Nuisance Calls phone number blocker can block international area codes, it's useful for those international aggravating calls that deceptively adopt your area code and any exchange. phone call blocker is greatest invention to enhance of your home phones. Say goodbye to all annoying voice-mails. call block device has a 2000 number blocking capacity. Completely keeping your phone quite without annoying call. One- blacklist function, super easy to operate even without manual. With just 6 buttons on blocker and clear LCD screen, friendly for older people as well. A great choice for Christmas gift. Specification: Package Weight: 131g/4.6oz Package Size: 11 x 10 x 5.5cm/4.3 x 4 x 2.2in Size: 10 x 9 x 4cm Weight: 85g Packing List: 1 x Blocker 1 x User Manual 1 x Connecting Cable The phone number blocker can block international area codes, it's useful for those international aggravating calls that deceptively adopt your area code and any exchange. With just 6 buttons on the blocker and clear LCD screen, friendly for older people as well. A great choice for Christmas gift. The call block device has a 2000 number blocking capacity. Completely keeping your phone quite without annoying call. The phone call blocker is the greatest invention to enhance the privacy of your home phones. Say goodbye to all annoying voice-mails. One-touch blacklist function, super easy to operate even without manual.