The Cold Heat Soldering Tool is an battery-powered device that quickly heats and cools and makes soldering jobs faster and easier. It creates the heat right in the proprietary tip material, making the tool 20 times more efficient than the average conventional soldering iron. The instantaneous heating, up to 800 in about 1 second, and cooling, cools to the touch in about 3 seconds, makes the soldering tool fast and safe to use. People who use the Cold Heat Soldering Tool are far less likely to burn themselves and there is no loss of productivity due to waiting for the tool to warm up. The sleek ergonomic cordless design is aesthetically pleasing, and will look great in any home toolbox or workbench. Benefits: Heats and cools almost instantly Independent lighting function Replaceable tip included Very safe--tip hot only during active soldering Tip heat indicator Over 700 joints per battery pack Cordless Uses 4 "AA" batteries* Great for electrical, hobbies, and light PCB work Goes any where you do! Works with any regular solder 18-25 ga. Includes: Cold Heat Soldering Base Split, Bevel Tip Instructions