RYOBI Hot Cutter can heat the blade to 518°F in less than two minutes. Great for Styrofoam - it cuts it quickly and easily. The special design and rubber anti-slip handle makes the tool as comfortable to use as possible. The cutter is compact and uses a portable 4V lithium battery as its power source. The battery is removable and can be charged via USB. Run time from a single battery charge is 30-45 minutes of continuous use. It comes with short and long cutting tips, charging cable and battery. With some other tips, you can turn this tool into a portable foam or wood engraver.