Brand: Yealink, Model: SIPPWR5V2A-AU, Product: Power Adapter (Australian Plug), Suitable for: T29/T3x/T46/T48/T5x series, In the box: 1 x Yealink SIPPWR5V2A Power Adapter; User Guide. 5V / 2A AU Power Adapter for T29/T3x/T46/T48/T5x series IP Phones - AU Model.