Avaya B179 B159 and B149 AC Power Adapter
System Features:Device Support: Telephone Input Voltage: 110 V AC Input Voltage: 220 V AC Input Voltage Range: 100 V AC to 240 V AC Frequency: 50 Hz Frequency: 60 Hz Output Voltage: 14 V DC Fixed Output Voltage: 14 V DC Compatibility: Avaya B100 Series Conference Phones: B149 B159 B179