Item Name:WLtoys V911-1 2.4G 4CH RC Helicopter New Plug GreenFrequency:2.4GChannel:4CHLength:220mmHeight:82mmMain Blade Length:192mmTail Rotor Diameter:37mmWeight(without Power System):28gFlight Distance:100M-120MFeatures:1.Quick response to the operation2.4 channel and single-blade3.LCD screen considerately offers you clear function control effect4.A perfect toy to practice our manipulative ability， intelligence， attention and creationFunction:Up，Down，Forward，Backward，Turn left，Turn right，360° turn，Left-side flying，Right-side flying，HoverPlease Practice Simulation Flight Before Actual Flying:Before you are familiar with the helicopter，plesure don't set it fly，read the instruction carefully. Get familiar with all kinds of diretion control and keep repeating until you can play it as you preform your es.1.Place the helicopter in a clear open field and tail of helicopter point to yourself.2.Practice to operate the throttle stick and repeat practicing "Throttle high/low"，"Aileron left/right"，"Rudder left/right"，and"Elevator up/down".3.The simulation flight practice is very important，please keep practicing until the fingers move naturally when you hear operation orders being call out.Package Included:1 x WLtoys V911-1 2.4G 4CH RC Helicopter New Plug Green BNF(body only)