Megatech House-Fly 2-4 Channel Indoor/Outdoor Helicopter The House-fly set includes Helicopter, transmitter with antenna, LiPo flight pack, AC peak balancing charger, two extra sets of rotor blades, training gear, instructional DVD and manual Navigational strobe light for flying day or night Micro Servos for precision control, extended fly bar for greater stability Training gear included for added stability and blade protection Fully adjustable trim and endpoints