Caller ID Box, Block Unwanted Calls With Large Capacity Easy,to,Use LCD Screen

Call Blocker, Convenient 2000 Groups ABS Caller ID Box For Phone Call Blocker 4000 Groups Large Capacity Prevent Harassment Caller ID Box with LCD Display Product Features 4000 GROUPS BLACKLIST: Caller ID box has 4000 groups of large capacity blacklist storage, blocking all nuisance calls.LCD SCREEN DISPLAY: Call blocker uses LCD screen display for easy operating and simple buttons for easy operation.PLUG AND PLAY: Call blocking device is designed with dual plugs, plug and play, suitable for most landline phones.ANTI HARASSMENT: Call blocker can block nuisance calls, super filtering anti harassment, guarding private pure space. Technical Specifications Item TypeCall BlockerMaterialABSNumber Of Blacklists4000 GroupsCall List100Display Brightness5 Levels Of AdjustmentPackage List:1 x Telephone Line1 x Telephone Blocker1 x Instruction Book1 x BracketNote: The product only applies to wired landlines and incoming calls only show the phone number. Working Principle: Add the blacklisted numbers and the corresponding numbers will be blocked automatically, or set the area code and all the corresponding regional numbers will be blocked automatically.