HQTelecom.com Landline Call Blacklist Blocker with Extra Large LCD Display, Blue Blacklight, Dual Self Powered, Incoming Call Alert Flashing Light NEW VERSION 6 FEATURES INCLUDE: Block up to 5 area codes or prefixes (1-5 digits) - Block calls showing as OUT OF AREA (--- O ---), PRIVATE (--- P ---) or with no phone number displayed - No initial setup required (just plug and start blocking) Unique Features: Extra Large easy to read LCD display (5 x 3) with Blue backlight & 4 levels of brightness ## Dual power system (fixes power related issues with Voip phone lines): - Power supply / adapter (110V, 60Hz) - Batteries (uses four (4) AAAA batteries, not included) ## Blue backlight (Display lights up for easier reading, requires batteries) ## Visual incoming call alert LED light Stores up to 1,000 8-16 digit phone numbers in the BLOCK list ## Stores up to 100 incoming calls ## Stores up to 50 outgoing calls Non-Volatile memory (Retains Blocked numbers even if power goes off) ## Time and date display (retains when power is lost if batteries are installed) ## Tilt base / Desktop or wall mountable FSK / DTMF dual system ## Works on landlines (PSTN) and VOIP phone services ## Free technical support (email, live chat (hqtelecom.com) and phone) ## One (1) Year Warranty