for Panaso RC301-L1 Extension Cable Release Cable The shutter button for Panasonic cameras is on the right side (above the memory card/TF card), marked with "REMOTE". Supported functions: Photo, Focus/ Metering, Video Applicable Panaso camera models: A) Compatible with Panaso - GH2, GH3, GH4, GH5, GH5S, GH5S II, GH6, S1, S1H, S1R, S5, S5II, G9, G95, G90, G99, G85, GX7, GX8, GXL, DMC-FZ (20/20K/20S/30/30K/30S/50/50K/50S/100/150/200/1000/2000), G1, G2, G3, G5, G6, G7, G10, GF1, GX1, GX8. Applicable Leica camera models: V-Lux2, V-Lux3, V-Lux4, V-Lux5, V-Lux114. Usage method: Insert the 2.5mm TRRS plug into the remote control port of the Leica camera. After startup, you can control the photo-taking function. The jack on the remote control is on the right side (above the memory card).