3DP-PENLT-01 Features: Free form 3D printing pen Works on a built-in rechargeable battery or 5 V USB power Up to 1 hour printing on a single battery charge Low temperature printing nozzle Suitable for use with PCL filament of 1.75 mm diameter Specifications: Case material: plastic Model build size: free form Filament: PCL, 1.75mm Nozzle diameter: 0.70 mm Extruder temperature: 70 - 95 °C Power consumption: 5 VDC up to 1A Battery: internal rechargeable Li-Polymer battery Charging interface: micro USB Net weight: 78 g Dimensions: 150 x 33 x 33 mm