For use with Sony ILCE-a1, 6100, 6400, 6600, a7C, a7M3, a7M4, a7RM3, a7RM4, a7SM3, a9, a9M2, DSC-RX0M2, RX100M7, ZV-1, ZV-E10, ILME-FX3. (please note: some camera models need to update the camera system software to work with this shutter remote, such as A6400, A9, A7M3, A7RM3 and RX0M2. Please see the details in the Product Description below this page.) | Essential camera controls are provided: focus buttons for precise control of even subtle focus changes, a lock switch that prevents accidental operation during transport, shooting a still image, movie recording start/stop, and power/digital zoom. There are also two custom buttons that mirror the functions of the C1 and AF-ON buttons on the camera body | The wireless remote runs on one CR-2032 lithium button battery (included). Communication distance: control range is about10 m (32.8 ft); Coverage:360°, Bluetooth communication provides reliable remote control even in bright sunlight or when there are obstacles between the commander and camera | Great for self-portraits, group shots, night scenes, long exposures and so on. The remote is designed to resist dust and moisture plus hot and cold temperatures, offering reliable operation in a wide variety of environments and weather conditions | The commander itself is designed to be easy to hold and operate. Measuring only 1.3" x 0.6'' x 3.9", easily fits in even a small pocket