NEEWER Variable ND2-400 & Black Diffusion 1/4 Filter Set Size:58mm Use the 4-channel charger to

Use the 4-channel charger to juice up four NP-F970 batteries simultaneously

4V/5000mAh/72Wh

7"/78cm in length

A single transmitter can last up to 4 hours on a full charge

Compatibility: For 17 Pro/Pro Max

NEEWER Variable ND2-400 & Black Diffusion 1/4 Filter Set Size:58mm Use the 4-channel charger toDescription Flexible Exposure Control The variable ND2 400 filter offers limited 1 9 stops of light reduction. Rotate to precise stops for desired ND values and perfect exposure. Note: A dark X pattern may appear at maximum aperture. This is normal when the variable ND filter, with its two polarizing filters aligned at a specific angle, interacts with certain lenses and focal lengths. A protective cap with lanyard is included for the variable neutral