Power input voltage: 200 to 240 VAC (+/- 10%), 50/60 Hz (+/- 3 Hz). Input voltage: 200 to 240 VAC (+/- 10%), 50/60 Hz (+/- 3Hz) (China and India) Weight 3.42 kg Size 425 x 304 x 149 mm Power consumption 10 W (print), 0.1 Watt (shutdown), 1.9 watts (standby), 0.9 watt (sleep) noise level noise power: 6.2 B (A); sound pressure: 48 dB (A); noise power (copy): 6.1 B (A) interface 1 Hi-Speed USB 2.0 port system parameters Windows 8.1, Windows 8, Windows 7; OS X v10.8 Mountain Lion, OS X v10.9 Mavericks, OS X v10.10 Yosemite;