Eipol C186MAX BO105 RC Helicopter 1:48 2.4G 4CH RTF Single Flybarless Direct-Drive with 6-axis Gyroscope, Low Voltage Alarm, One Click Function, Optical Flow Positioning（RTF Total Control/3 Battery）

TENIREALX RC ERA C186MAX BO105 1:48 RC Helicopter, 2.4GHz 4CH Single Flybarless Direct-Drive 6-Axis Gyro Aircraft Toy with Optical Flow/Low Voltage Alarm -RTF Total Control for Adults

Eipol C186MAX BO105 RC Helicopter 1:48 2.4G 4CH RTF Single Flybarless Direct-Drive with 6-axis Gyroscope, Low Voltage Alarm, One Click Function, Optical Flow Positioning（RTF RC Version/4 Battery）

TENIREALX RC ERA C190 H145 1:30 RC Helicopter 2.4G 6CH Single-Rotor 6-Axis Gyro Dual Brushless Motors Flybarless RTF Aircraft Toy with Altitude Hold Optical Flow for Adults & Beginners

BlocteckToy RC Helicopters for Adults, F07 1/34 Scale UH-1 Huey 2.4G 6CH Brushless Direct-Drive 3D/6G Flybarless RC Helicopter Model with Optical Flow Positioning (RTF Version/Mode1/Mode2)

MechEdu Wolfbus Xiang F07S UH-1 Huey 1:34 RC Helicopter for Adults, 2.4G 6CH Brushless Direct Drive, 6G Flybarless Helicopter Model with GPS, Adjustable Throttle Lever for Left and Right Handed (RTF)

TinyWizTo F11-S AH64 1/32 RC Apaache Helicopter, 2.4G 6CH Dual-axis Co-drive Flybarless 6G/3D Stunt Aircraft Model with GPS and Optical Flow (RTF Version)