World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. New 5V AC / DC Adapter Compatible with Cisco CP-6800-PWR-NA= CP-6800-PWR-CE= CP-6800-PWR-UK= CP-6800-PWR-AU= Power Adapter for Unified SIP IP UC Phone 6800 Series 6851-3PCC CP-6851-3PCC-K9 6821 6841 6851 6861 6871 CP6821 CP6841 CP6851 CP6861 CP6871 DC5V 5.0V 5VDC Power Supply Cord Cable PS Wall Home Battery Charger Mains PSU Cisco Systems IP Phone 6800 Series CP-6800-PWR-NA= CP-6800-PWR-NA CP-6800 CP6800 CP6800PWRNA CP-6800-PWR-CE= CP-6800-PWR-CE CP-6800-PWR-UK= CP-6800-PWR-UK CP-6800-PWR-AU= CP-6800-PWR-AU CP-6800-PWR-CN CP-6800-PWR-US Power Supply; Cisco 6871 CP6871 CP-6871 IP Phone CP-6871-3PCC-K9= CP-6871-3PCC-K9 CP-6871-3PW-K9 CP68713PCCK9= CP68713PCCK9 CP68713PWK9; Compatible with: Cisco IP Phone 6800 Series 6851 CP-6851 CP6851 6851-3PCC CP-6851-3PCC-K9= CP-6851-3PCC-K9 CP-6851-3PW-K9 CP-6851-3PW-NA-K9 CP-6851-3PW-NA-K9= Model #: Special: 74-118835-02 CP-6851-3PW-CE-K9= CP-6851-3PW-CE-K9 CP-6851-3PW-UK-K9= CP-6851-3PW-UK-K9 CP-6851-3PW-AU-K9= CP-6851-3PW-AU-K9 Desk Phones CP68513PCCK9= CP68513PCCK9 CP68513PWAUK9=; Cisco 6821 CP-6821 CP6821 IP Phone CP-6821-3PCC-K9= CP-6821-3PW-K9 CP-6821-3PCC-K9 CP68213PCCK9= CP68213PWK9 CP68213PCCK9; Compatible with: Cisco Systems 6841 CP-6841 CP6841 IP Phone CP-6841-3PW-NA-K9= CP-6841-3PW-NA-K9 CP-6841-3PW-CE-K9= CP-6841-3PW-CE-K9 CP-6841-3PW-UK-K9= CP-6841-3PW-UK-K9 CP-6841-3PW-AU-K9= CP-6841-3PW-AU-K9 CP-6841-3PW-CE-K9-RF CP-6841-3PWCEK9-RF CP-6841-3PW-UK-K9-RF CP-6841-3PWUKK9-RF VOIP PHONE SIP SRTP 4 Lines IP Phones; Cisco 6861 IP Phone CP-6861-3PW-UK-K9 CP-6861-3PW-NA-K9= CP-6861-3PW-NA-K9 CP-6861-3PW-AU-K9 SIP Phone CP68613PWUKK9 CP68613PWNAK9= CP68613PWAUK9 Power Supply 5V AC/DC Adapter Compatible with Cisco CP-6800-PWR-NA= CP-6800-PWR-US Unified SIP IP UC Phone 6800 Series 6851-3PCC CP-6851-3PCC-K9 CP 6821 6841 6851 6861 6871 Power Supply Battery Charger