Model:YD-117 4CH Flybarless RC Helicopter With Gyro RTF Remote Control Distance: About 100meter Fuselage Size: 29cm*4cm*8*cm Charge Time: About 60 minutes Package Size:31.5cm*10.5cm*28cm Flight Time: About 8 minutes Fuselage Battery:3.7V380mAh Li-Po Battery Channel: 4 Channel Remote Control Battery:"AA"1.5V x 6(no include) Color: Creen Function: 360 Full flight,Forward,Backward,Turn Left,Turn Right,Crab,360Rotation,Hover Package Included: 1 x Helicopter 1 x Transmitter 2 x 3.7V 380mAh Li-po Battery 2 x Main Blade 1 x Tail Blade 1 x Connect Buckle 1 x Connect Rod 1 x Screwdriver 1 x USB charger 1 x Instruction Manual YD-117:Imported high quality materials, cool green and black paint, streamlined fuselage,flight time gesture more elegant. YD-117:Adopts latest cabinet lock design, more convenient disassembly and repair. YD-117:Simple socket design,eliminating the welding troubles,so maintenance becomes easy and simple,plug and play. YD-117:Suspension battery compartment design, more convenient and simple to replace the battery, enjoy more fun to fly. YD-117:Single-propeller flybarless design, power increase by 20% compared to the ailerons, enjoy the truly model aircraft flying. YD-117:Flexible sturdy blades, even 180 bend will not easily break, lightweight, rugged, wearable. YD-117:High quality materials blades, not easily broken,worn,strong tail motor turning the aircraft more flexible.