I own five 3D printers and am not using them all, so I am selling one. It has only been used for 99 hours and is in almost new condition. It works perfectly and is currently in normal use. This product is currently printing at the time of listing, so its operation has been confirmed. Manufacturer: FLASHFORGE Model Name: Finder Model Number: FFF-101B Color: Red Nozzle Diameter: 0.4 mm Flow Rate: 24CC/1 hour Slicing Engine: FlashPrint Number of Heads: 1 Supported File Formats: .stl, .obj Output Method: FDM (Fused Deposition Modeling) Supported OS: Windows XP/Vista/7/8/10, Mac OSX Body Operation: 3.5-inch touch panel & PC External Dimensions: W:420 x D:420 x H:420mm Output Size: W:140 x D:140 x H:140mm Weight: 11.0 kg Layer Pitch: 0.05-0.4mm Input Voltage: 100 – 240 V, 50 – 60 Hz Positioning Accuracy: +-0.1mm Power Consumption: 100W Resolution: Z-axis 0.0025mm; XY-axis 0.011mm Filament Diameter: 500g (1.75 mm diameter) (same as Dreamer) Due to the nature of precision instruments, returns and refunds are not accepted to prevent product substitution.