Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Display: lCD, 128x64 px (5x2,5 in)
•Keypad: Alphanumerical 0-9, *, on, off, mute, hold, volume up, volume down, 5 buttons for menu navigation, line, and conference guide
•Power: Power over Ethernet IEE 802.3af, Transformer: 100-240 V AC/13.5 V DC
•Memory: Supports recording on SD memory cards up to 2 GB