Wide stable base makes it perfect for hands-free use. Produces a broad yellow or blue pinpoint adjustable, wind resistant flame with temperatures up to 2,500oF/1300oC Blue Flame Built in self igniting switch makes unit easy to ignite. Meets Consumer Products Safety Commission (CPSC) child safety requirements. Large built in plastic fuel tank is easy to refill. Runs approximately 2 hours on a full charge. Unit is shipped without fuel. Use with Master Ultrane Butane for best performance. Pinpoint flame is perfect for soldering, desoldering, heat shrinking and terminating, heating, lighting, melting wax and many other microtorch applications.