Spring-loaded cap flips open the moment the trigger is pressed, providing additional wind protection; snaps closed securely. Electronic igniter trigger activates fast, reliable piezo ignition and LED work light. Quickly refillable using standard butane fuel. Translucent body makes checking fuel level easy. Adjustment dial lets user control flamed height and level of heat output. Convenient keychain lanyard. Childproof safety trigger. The Weller Magna-Lite has been reviewed and approved for consumer safety by the Consumer Products Safety Commission. NOTE: This product ships empty, Butane sold separately The Magna-Lite from Weller is the first butane micro torch designed for real work. Even though it weighs just 1.3 ounces and is less than three-Inch long, the Magna-Lite generates a 2400-Degree Fahrenheit/1,300-Degree Celsius flame that lasts for up to a total of 25 minutes on a single charge of fuel. That's enough energy to thaw frozen locks, seal the ends of synthetic rope, contract heat-shrink tubing, and perform countless other tasks around the home, shop, boat, or campsite.