ColdHeat is the new quick-heat, quick-cool soldering tool that is revolutionizing the soldering industry for hobbyists, Do-It-Yourselfers, technicians, electricians and engineersColdHeat can reach up to 800 degrees in 1.2 seconds and cools to the touch in 3 seconds. The heat is created right in the tip material, making the tool 20 times more effective than the average, conventional soldering iron. And it's easy to use, with its ergonomic pen-like shape and cordless operation.The ColdHeat soldering tool has a number of benefits over the traditional soldering iron, including:Heats and Cools almost Instantly Cordless/battery operated Uses 4 alkaline AA batteries Over 700 joints per battery pack Very Safe - the tip is hot only during active soldering Tip heat indicator (Red Light) 1 Replacement tip Included Independent lighting function BONUS: Convenient Carrying Case Included