Piezo electronic ignition system for reliable ignition every time. Adjustable gas flow valve controls temperature range. Tip temperature 750F - 900F. Up to 30 minutes continuous use on medium setting. Refillable with Weller WB1 or WB2 filtered butane. Also operates as a mini-torch when the tip is removed. Base allows tool to stand for hands free operation. Safety cap can be replaced on tool for secure storage. Use for soldering, heat shrink tubing, electrical, and electronics.