Features:

Graduated Grey can lighten parts of the image, like the foreground above. You could use more overall exposure when the overly bright parts are dimmed through the grey part of the filter.
Gradual Orange/ Red is used to enhance the color of the image, making the scenery more bright and vibrant. It's suitable for photographing sunset and autumn leaves.
Gradual Blue can deeper the blue color of sky or lake when it's cloudy without affecting the ground color, realize color balance.

Package Include:

37mm Graduated Grey x 1
37mm Graduated Blue x 1
37mm Graduated Red x 1
37mm Graduated Orange x 1
Lens Clip x 1

• These filters are mounted on a rotating frame to allow the user to bring the colored and clear filter portions into the desired position by simply rotating the mount.
• 4 colors gradual phone lens kit: graduated grey + graduated orange + graduated red + graduated bluefects to skies and other bright regions while retaining more realistic results within the other half of the frame.
• High Performance: optical glass, top transmission and minimum image distortion. Aluminum frame design makes it very lightweight and solid.
• Double threads allowing additional filters to be screwed one over the other. Using two color graduated filters rotated 180 degrees relative to each other allows different colors to fade into each other.
• This kit comes with a unversal lens clip. Just clip it on the camera of your phone when using. Work with most mobile devices, such as Iphone, Samsung, Ipad, etc.

These filters are mounted on a rotating frame to allow the user to bring the colored and clear filter portions into the desired position by simply rotating the mount.Zomei