Feature:

1. The call block device has a 4000 number blocking capacity. Completely keeping your phone quite without annoying call.
2. The phone number pricate protect device can block international area codes, it's useful for those international aggravating calls that deceptively adopt your area code and any exchange.
3. One-touch blacklist function, super easy to operate even without manual.
4. The Intelligent telephone number device is the greatest invention to enhance the privacy of your home phones. Say goodbye to all annoying voice-mails.
5. With just 6 buttons on the device and clear LCD screen, friendly for older people as well.

Specification:

Package List:

1 x Telephone Number Protection Devices
1 x Connecting Cable
1 x User Manual