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Specifications
Telephone blocker1,1000-1500 block numbers
2,free sample ok
3,blacklist & whitelist
4,easy to operate,cheap price
Telephone blocker
1,Adopting the advanced microcomputer controller design
2,FSK/DTMF/ETSI ID caller signal receiving compatibility
3,Character Display, clear and beautiful
4,Three-line LCD screen display for displaying number,time and date synchronously,and information is rich
5,100 records incoming calls memories
6,30 records outgoing calls memories
7,Automatic calling back function. Built-line real time clock
8,Adjustable LCD screen..
without batteries inside
10,1000-1500 call blocker numbers
FILTER BOX is designed for preventing nuisance calls which we always encountered in our normal life. Now you just need to install one FILTER BOX before your Phone , then it will help you to filter all the sales and nuisance calls , only the valuable calls will come to you
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