A variety of suits specifically designed for 3 Pro to meet your photographic needs in different light and against different backgrounds, easy to install and disassemble. Aluminum alloy frame with multi-layer coated optical glass, , waterproof, oil and scratch . Made of optical glass, good optical effect, effectively reduces lens flare. High transparency and uniformity, so that the image becomes clearer. Filter Type:ND Filter Compatible Drone :for Model Number:for 3 Pro The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:Aluminum alloy + glass Package Contents: 1 * ND8 filter 1 * ND16 filter 1 * ND32 filter 1 * ND64 filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.