AT&T SynJ SB67108 Cordless Expansion Handset for The AT&T SynJ SB67118 / SB67138 / SB67158 Small Business Phone System, 5-Pack;

SB67108 Features:
-New DECT 6.0 Technology
-Interference Free Communication
-Increased Clarity / Enhanced Security
-Wider Range / Network Friendly
-1.9GHz Extra Handset / Charger
-Dedicated for Cordless Phones by the FCC
-30% Battery Life Increase Over 5.8GHz
-4-Line Operation
-Caller ID / Call Waiting
-Handset Speakerphone
-LCD Display on Handset
-Lighted Keypad
-50 Station Name / Number Caller ID Memory
-100 Station Phone Directory / Dialer
-3-Way Conferencing
-10 Station Speed Dial
-Selectable Ringtones
-Handset Volume Control
-Handset to Handset Intercom
-Call Transfer
-Chain Dial
-Last 10 Number Redial
-Hold
-Mute
-Line Status Indicator
-Low Battery Indicator
-2.5mm Headset Jack

Will Not Work Without Compatible Base:
-AT&T SB67118
-AT&TSB67138
-AT&TSB67158