The ND4 Filter for Phantom 3 Professional and Advanced helps to avoid overexposed photos.\n\n- Specifically designed for the DJI Phantom 3 Advanced and Professional\n- Helps to reduce the amount of light coming into the sensor\n- Gives you the freedom to create by allowing more control of the camera’s aperture, exposure time and sensor sensitivity settings\n- Helps to avoid overexposed photos\n- Allows 1/4 of the incoming light to pass through, equal to 2-stop filter strength