Similar to other phones in the KX-T7700 series: KX-T7720, KX-T7730, KX-T7731, KX-T7735, KX-T7736, KX-T7720, KX-T7737, and KX-T7750.
Not a stand-alone system. Compatible with the KX-T61610, KX-TA824, KX-TA624 and KX-TA1232 KSU / Telephone Controller, Advanced Hybrid Panasonic Telephone Systems.
Will work on Voice over Internet Protocol (VoIP) lines such as Vonage or Skype.
In the box: Base unit with corded handset, phone cord, desk/wall mount.