Based on this product's specifications, here are some alternatives and similar models
Camera Variable Density Filter Hoya II 82mm – adjustable ND filter, 82 mm thread
Summary description:
Variable Density (ND) filter Hoya II 82mm provides adjustable light reduction for stills and video. Fits lenses with 82 mm thread and allows continuous control of exposure without changing aperture or shutter. Useful for long exposures, motion blur effects, or wider apertures in bright conditions. Multi-coated glass reduces reflections and maintains image quality.