Model D-550 is a heavy-duty, high performance soldering gun providing instant heat at 260/200 watts. Fingertip trigger control for high or low heat. Tin-plated solid copper soldering tip. Spotlights brilliantly illuminate the work area. Easy to hold balanced design for speedy soldering. Includes wrench and "Soldering Tips" booklet of practical soldering practices. For use on 120 volts, 60 cycle AC only. UL listed.