Grandstream Networks GHP610. Product type: IP Phone, Product colour: White, Handset type: Wired handset. Lines quantity: 2 lines. Ethernet LAN interface type: Gigabit Ethernet, Ethernet LAN data rates: 10,100 Mbit/s. AC adapter input voltage: 100 - 240 V, Input frequency: 50/60 Hz, AC adapter output voltage: 12 V. Width: 530 mm, Depth: 211 mm, Height: 440 mm