Watch imagination come to life with the Professional 3D Pen Adjustable feed lets you regulate speed & flow for optimal control of material while you're drawing Temperature is adjustable in 1 degree increments from 140 to 230 C, for optimal fine-tuning Large, OLED display lets you monitor temperature of material to help you achieve a wide variety of effects Kit includes 3 colors of PLA plastic filament, A/C adapter and slim, ergonomic pen with 1 year limited warranty