1. 2000 GROUPS BLACKLIST: Caller ID box has 2000 groups of large capacity blacklist storage, blocking all nuisance calls.
2. LCD SCREEN DISPLAY: Call blocker uses LCD screen display for easy operation and simple buttons for easy operation.
3. PLUG AND PLAY: Call blocking device is designed with dual plugs, plug and play, suitable for most landline phones.
4. ANTI HARASSMENT: Call blocker can block nuisance calls, super filtering anti harassment, guarding private pure space.
5. EASY TO USE: Phone blocker is easy to use, just press the block button to block incoming calls permanently.

Specification:
Item Type: Call Blocker
Material: ABS
Number Of Blacklists: 2000 Groups
Call List: 100
Display Brightness: 5 Levels Of Adjustment

packing list:
1 x Telephone Line
1 x Telephone Blocker
1 x Instruction Book
1 x Bracket