This is not an original PENTAX product
Quality product compatible with your camera.
Has exactly the same functions as the original Pentax battery grips.
It can hold one D-Li 90 battery or x6 AA batteries.
Functions:2-stage-shutter, central wheel, AF-selector key, tripod thread, AE/ FE button for exposure measurement and storage of flash setting, zoom function on playback mode
Compatible with :
Pentax K-5 II, DA 18-55 + 50-200 WR
Pentax K-5 II, DA 3,5-5,6/18-55 WR
Pentax K-5 II, DA 3,5-5,6/18-135 WR
Pentax K-5 IIs
Pentax K5 Iis
Pentax K5 / K-5