Dual handsets cordless phone system offers crystal clear conversations with interference free DECT 6.0 Technology. No interference with wireless networks and other electronic devices. With the touch of a button, the full duplex handset speakerphones makes hands-free conversations easy. Call block up to 20 of those unwanted telephone numbers. Entire keypad illuminates with LCD screen for easier viewing in dim light. Digital security protects against identity theft. Phone system also provides 30 name/number caller id/call waiting. 50 name/number phonebook, voicemail waiting indicator, trilingual prompts. Wall mountable. Intercom between handsets. Expandable up to five handsets with cs6909 accessory handset (sold separately). Color silver and black.