Specification Details   General Usage type Desktop Control panel LED 4 keys Connectivity USB interface SuperSpeed 3.0 USB 2.0 Host (Rear) Dimensions & weights With carton W 391mm ｘ D 243mm ｘ H 320mm With carton 3.31 kg Without carton W 299.5mm ｘ D 215.9mmｘ H 190.5mm Weight 2.60 kg Energy Consumption Power Consumption - ready mode Up to 5.4W Power Consumption - sleep mode Up to 1.4W Operating Up to 23 watts Off 0.1 watts Sound power 59 dB Environment Operating humidity 20 - 80% Operating temperature 5 - 35°C         Scanning 2-Sided scan Yes A4 Scan Speed 35 pages per minute ADF 60 Scan to PC Image Colour depth 48/24 bit Greyscale 256 levels Interpolated scan resolution 1200 x 1200 dpi Paper sensor Yes SANE compatibility Yes Scan features Long Paper Scan (5000mm) Kensington Lock Scan resolution from ADF 600 x 600