Compatible Model: The 3D Joysticks is for Asus ROG Ally RC71L and for GPD win3 Windows 10 joystick replacement. For Asus ROG Ally RC71L joystick replacement's type is Hall Effect joystick, it only suits for GPD win3 Windows 10 handheld console. Please confirm your model before placing the order. Wide Application: The replacement for Asus ROG Ally RC71LJoystick are apply to the problem of the drifting, blind spots, dead spots, can't center, damaged or broken, long time to use, not sensitive, etc. The hall effect Joystick for ROG Ally RC71L will better to solve the problem of drifting. Quality Guaranteed: For GPD win 3 Windows 10 joystick replacement was test before shipment and made of good quality, metal+ABS plastic material make it use more accurately and has longer working life. The controller will use as a new one after replacing hall joystick for GPD win3 . Advantage of Hall Joystick: The ALPS joystick after using long time, it will has some problem:Electrical parts will wear out due to physical properties,resistance will increase and delay to operate. Our Hall Effect joystick for GPD win3 using the principle of the Hall effect and magnetic field induction, the accuracy is usually higher and can provide more accurate position detection. For ROG Ally RC71L Hall joystick has a longer life and is suitable for long-term use. Installation Suggestion: After the joystick is installed, it may not be exactly centered with the your handle motherboard, and calibration is required to center it. Currently, the joystick can be calibrated to the center by adjusting the brush angle or adding an adjustable resistor.In mostly, the joystick offset within 5% is almost imperceptible. Generally, it will only cause a slight rotation of the perspective or automatic walking when it reaches more than 8%, so if the joystick is calibrated to 2% - 3%, it is normal to use. 1*Joysticks；1*Set Tools