Introducing the BAK Liion Battery Powered Hand Held Hot Air Welder with Backpack, revolutionizing welding convenience and safety. This innovative tool eliminates the need for a generator when welding materials like PVC and TPO, allowing users to safely carry it to the roof in its included backpack. Key Features: Long Running Time: Operates for 45 minutes on the highest temperature setting. Safety Features: Special plugs prevent the tool from being plugged into any other power source. An alert signal notifies users when the unit stops heating, allowing time to finish the weld. Automatic Cooling: Constant airflow enables the gun to cool down automatically after welding. Convenient Design: Includes a 10” power cord and a backpack that ensures OSHA compliance with three-point contact while climbing ladders. Package Contents: Comes with a backpack, gun, Liion battery, and charger. Available accessories include tips, spare elements, batteries, and chargers. The BAK Liion Battery Powered Hand Held Hot Air Welder with Backpack is your solution for efficient, portable welding without compromising on safety or performance.