6 CHANNELS fast response: X6 remote controller and X6FG receiver with 3ms fast response time and sensitive steering, 2.4GHz strong anti-interference ability which provides long range control distance up to 400 meters, suit for rc cars, boats, tanks, trucks, crawlers, buggies and so on. FEATURES Low voltage alarm (7.2V 4.1V)/ With brake and fail-safe/Support RC simulator (requires dongle)/Lithium battery interface with reverse polarity protection circuit/Support FPV display installation/Equip with one hand control accessory and radiolink neck strap.