Tector UDI 3D Printing Pen - PCL Filament

One button filament material unload. Automatic unload the filament, about 10 minuters will automatic unload the filament when no use 3D Pen and turn off. Low battery alarm, the Indicator flashes green it means 3D PEN are low battery, it will turn off after automatic unload the filament. High capacity Li-Po Battery, The charger time about 60 minutes and it can use about 45 minutes.