HP 950 Black Officejet Ink Cartridge. Operating relative humidity range: 10 - 90 %, Storage temperature range (T-T): -40 - 60 °C, Operating temperature range (T-T): 5 - 35 °C. Dimensions (WxDxH): 119 x 126 x 36 mm, Package weight: 100 g, Weight: 90 g