C187 EC135 4CH 6-Axis Gyro Single-Propeller Without Ailerons RC Helicopter RTF

C187  EC135 4CH 6-Axis Gyro Single-Propeller Without Ailerons RC Helicopter  RTF Rotor Diameter 256mm Fuselage Length 257mm Height 81mm Flight weight: 98g Color box size: 31*24*8.6CM Single box weight: 650g Flight time: about 15 minutes Charging time: about 40 minutes Remote control distance: about 100 meters Battery details: Body battery: 7.4V 350 mAh lithium battery  Remote control battery: 4*1.5AA batteries (not included) ailerons, propellers provide strong power and self-stabilizing body. Simple 4-channel, using 6-axis gyroscope flight stabilization; 2 Barometer fixed height 3 Module pediatric battery, power indication, easy and quick installation; 4 Ascending, descending, forward, backward, left-side flight, right-side flight, left rotation, right rotation, route flight, pot brushing and other aerobatic maneuvers; 5 6G mode, using 6-axis gyroscope; 6 Low voltage alarm, blocking protection, runaway protection, size rudder volume conversion, one key takeoff, one key landing and