Iroda SOLDERPRO 150 Cordless Refillable Butane Soldering Iron and Torch Kit Equivalent to a power range of 30-125 Watts Piezo ignition, cordless, simple, safe operation anywhere Ready to use 15 seconds after ignition Patented LEC removable fuel cell for uninterrupted use, safety and reliability even at very low temperatures. Refillable LEC uses standard butane