Extend your Pentax K-3 battery life by allowing the system to carry 1 x DLI90 or 6 x AA-size batteries. Since it supplements the camera's battery as an additional power source, the number of recordable images is greatly increased if not doubled.
It also come with one smartly-designed compartment to store one unit of SD memory card.
Improve overall system ergonomics. Better grip for vertical shooting. To facilitate vertical-position shooting, this grip features extra shutter-release button, preview lever, electronic dials, AE-lock button, Green button and AF button.
It also provides the same dustproof, weather- and cold-resistant as K-3.