The new Firefox SR breaks new boundries in the indoor heli category. We have designed a single rotor helicopter thats super easy to fly and at the same super agile ! Includes a 2.4GHZ 4 channel radio system for complete control. The Firefox SR includes a built in micro gyro stabilization system to enhance its hovering abilities way beyond other micro helis. With the included 420 mah battery , the firefox can get 10-13 minute flight times.omes complete with auto peak A/C wall charger for quick charges.olored LED lighting system adds some cool visuals to all the fun.