Technical Parameter orientation precision Z axis 0.0025mm XY axis 0.011mm printing precision 0.01-0.15mm layer thickness 0.1-0.27mm construction size 280×160×16mm nozzle specification 0.4mm speed of moving axis 40mm/s nozzle moving speed 30cc/h suggested nozzle temperature 200°C (max 260°C) heating base plate temperature 100-120°C (appropriately heat up in Winter and down in Summer) voltage 220V in default (it can be customerized) best environment temperature ≥25°C Other Parameter number of nozzle one/two shield color white, black machine size 458×324×425mm packing size 565×425×525mm NW 17kg±0.2kg GW 22.5kg±0.2kg format of printing file STL file, S3G file operation system Windows XP, Windows Vista, Windows7, Linux, Mac OX operation interface English Pls contact me on skype (my skype: viorawu577) or email if any questions. Welcome your any question.