HP 761 Matte Black/Matte Black Designjet Printhead. Storage temperature range (T-T): -40 - 60 °C, Operating temperature range (T-T): 20 - 25 °C, Storage relative humidity range: 8 - 90 %. Package weight: 0.11 kg, Weight: 70 g, Package dimensions (WxDxH): 28 x 143 x 132 mm