Panasonic KX-NT700. Output gain: 85 dB. Output power: DC 9 V, 750 mA. Interface: LAN RJ-45, RJ11. Input voltage: 120 V, Input frequency: 60 Hz, Power consumption (typical): 6.5 W. Dimensions (WxDxH): 275 x 275 x 55 mm, Weight: 1.3 kg