Uwinka Wireless Shutter Release Infrared Shutter Remote Control for Pentax K-7 K-5 II K-5IIs K-70 K-1 K500 K-3 II K-S2 K-S1 K100D WG-10 WG-3GPS WG-2GPS WG-1GPS WG-3 WG-2 WG-4 WG-4GPS WG-20,etc