Panasonic KX-TGC220S DECT 6.0 Expandable Cordless Phone with Digital Answering System - One Handset (Black/Silver) Ideal for Home or Small Business Use: Single-line phone with digital answering system ideal for home or home office use; Expandable up to six handsets (sold separately) Large Backlit Display and Keypad: Large, 1.6-inch amber backlit handset display and keypad provide ease of use even in dimly lit areas Enhanced Transmission Quality and Range: DECT 6.0: transmission quality, range and security are improved by increasing the frequency of error correction up to 80x for interference-free communication Call Block Convenience: Eliminate unwanted calls with Call Block capability Smart Features: Enjoy additional conveniences including silent mode, handset locator, Intelligent Eco Mode and more