SENTRY Dual Mode Call Blocker.

Block 100% Robo Calls.

Stop All Junk Calls, Election Calls, Survey Calls.

9999 Number Capacity The world's only Dual Mode Blocker.

Basic Mode has a 9999 Number capacity Advanced Mode has a unique 'Stop and Check' system.

Blocks 100% robo calls, stops all junks calls and faxes. Blocks all.

It doesn't matter if the caller is on black list or not. Easy, intuitive big button operation. No programming required. Just plug in and block.

Bring sanity and peace back to your home. Works with all landline, Cable, DSL, VOIP services. Requires Caller ID service.

Deatils of Sentry call blocker 

Other information:

1)  Company:manufacture

2)  Factory address: 189 Industrial Area, Henggang town, Longgang district, Shenzhen,China

3)  Factory: 2000 square maters

4)  Factory workers: 200-300 people

5)  Enginners: 5 persons

6)  QC: 6 persons

7)  Management: 6 persons

8)  Production capacity: 5000-10000 pcs/day

9)  Production Scope: Caller ID Telephone; T/P Basic Telephone; Big Button Telephone;Wall Telephone; Antique Telephone

10)  Quality Control: QC department from raw materials till finished products ( AQL)

11)  Main market: South America, Africa, Southeast Asia, Europe, Indonisia, ect

12)  Afer-sale servie:one year warranty or 0.3% spare parts