Introduction The Lockheed Martin SR-71 Blackbird is one of the most unique and iconic aircraft of all time. Developed in the 1960s to fly faster and higher than all other airplanes and missiles of the time, the SR-71 holds world records for sustained altitude (85,069 feet) and speed (2,193.2 mph/Mach 3.3). With the E-flite SR-71 Blackbird Twin 40mm EDF, you can own a replica thats scaled to be practical for more RC pilots to afford and fly! Its compatible with popular 4S 2200mAh batteries and is equipped with exclusive Spektrum AS3X and optional-use SAFE Select technologies to make it the easiest to fly Blackbird yet. Optional-use fixed landing gear with a steerable nose wheel makes it easy to taxi, takeoff, and land on smooth surfaces, or you can leave the gear off for more speed and vertical performance when flying over grass. Best of all, it arrives factory-finished and nearly ready to fly right out of the box to offer an authentic SR-71 flying experience you cant get anywhere else! Features An officially-licensed* replica of the worlds fastest and highest-flying manned aircraft that offers a flying experience unlike any other model The most affordable, practical and easiest to fly SR-71 EDF (Electric Ducted Fan) jet model yet Twin 40mm fans and outrunner motors compatible with popular 4S 2200mAh 30+C batteries Real-time overall battery voltage, current and other telemetry data via compatible transmitters Spektrum receiver with fly-by range telemetry and industry-leading 2 Age Group: adult.