White List Call Blocker

White List Call Blocker

Model: BS-4009E

* FSK/DTMF dual system
* Whitelist max up to 1500 groups in 15 digits
* Blacklist max up to 1500 groups in 15 digits
* Incoming calls max up to 100 groups in 15 digits
* Outgoing calls max up to 50 groups in 15 digits
* Block area codes max up to 20 groups in 10 digits
* Retain stored data even lose power
* 5 levels LCD adjustable
* Blue backlight function
* Retain stored data even lose power