SmallRig 3893 Rotating Side Handle with Trigger REC for Selected Sony Mirrorless Cameras This handle integrates a REC button with a complimentary control cable to control recording. In addition, it allows for attaching NP-F550 / 570 batteries to the bottom, enabling charging of other devices or the handle itself using the USB-C IN / OUT ports. With a maximum input and output of 20W, it supports multiple fast-charging protocols including PD, QC, AFC, and FCP. The handle also incorporates 1/4"-20 threaded holes, a cold shoe mount, and a strap slot for attaching accessories like monitors, fill lights and wrist straps. Note: The package does not include the NP-F550 or NP-F570 batteries. Control of Sony camera recording functions can be realized without installing the NP-F550 / 570 battery. Compatibility: Sony Alpha 7 III / Alpha 7 IV / Alpha 7R III / Alpha 7R IV / Alpha 7R V / Alpha 7S III / FX3 / FX30 / Alpha 1 / Alpha 1 II / Alpha 9 / Alpha 9 II / Alpha 9 III Packaging includes: 1x Side Handle 1x Control Cable for Sony 1x NATO Rail