Tel-Sentry Dual Mode Active Call Blocker - version 3.1

Version 3.1 (Newest model)

Create White List with keypad (new)

Create greeting in your own style/language (new)

Allow unlisted "good callers" to leave a message (new)

SENTRY ringer mute option (new)

Requires 3 AAA batteries

Requires caller ID service

UPC:700424890965