HP JC518A. Safety: IEC 60950-1, EN 60950-1, Electromagnetic compatibility: FCC 15 A; CISPR 22; EN 55022; EN 55024; CNS 13438; ICES-003; EN 61000-3-2; EN 61000-3-3. Operating relative humidity range: 10 - 90 %. Power requirements: 100-240 VAC, 50 / 60 Hz. Dimensions (WxDxH): 448.1 x 700 x 42.9 mm