Yealink AC Adapter - 120 V AC, 230 V AC Input Voltage - 5 V DC Output Voltage - 2 A Output CurrentDevice Supported: IP PhoneInput Voltage: 120 V ACInput Voltage: 230 V ACOutput Voltage: 5 V DCMaximum Output Current: 2 ACompatibility: Yealink IP Phones: SIP-T29G SIP-T32G SIP-T38G SIP-T46G SIP-T46S SIP-T48G SIP-T48S