For Select Cameras: The SmallRig 3902 Wireless Remote Control for select Bluetooth enabled digital cameras for Sony, for Canon and for Nikon is a Bluetooth remote shutter release that starts and stops video recording. This reduces post-production time. | 32.8ft / 10m Range & Pairs Instantly: This wireless remote control featuring a fast and reliably Bluetooth connection that enables transmission within a 32.8ft / 10m range. Once paired, it will automatically connect the camera the next time you turn it on. | Mode Switch: SmallRig wireless remote control 3902 has STILL and MOVIE two mode. In STILL mode, press the button halfway for automatic focus and all the way down for taking pictures; In MOVIE mode, do a full press to turn on/off recording, meet different shooting scenarios. | Multiple Mounting Solutions: This wireless control comes with a detachable cold shoe clamp at the bottom to quickly mount to a cold shoe mount or your collar. Remove the clamp and it can be locked to such accessories as Side Handle 3260, Top Handle 2165C, etc. via the 1/4"-20 screw in the box. | Special Design: Its shape is ergonomically designed for added comfort and grip. Its silicone bottom helps prevent deflection, while the screw features an anti-lost design. | Wide Compability: for Sony: Alpha 7R V / Alpha 7R IV / Alpha 7R III / Alpha 7 IV / Alpha 7 III / Alpha 7S III / Alpha 7C II / Alpha 7C / Alpha 7CR / Alpha 9 II / Alpha 9 / Alpha A1 / FX3 / FX30 / Alpha 6700 / Alpha 6600 / Alpha 6100 / Alpha 6400 / ZV-E1 / ZV-E10 / ZV-E10 II ZV-1 II / ZV-1 / ZV-1F / DSC-RX100 VII; for Canon: EOS R5 / R5 II / R6 Mark II / R6 / R7 / R8 / R10 / R / RP / R50 / M6 Mark II / M50 / 90D; for Nikon: Z50 / Zfc / Z30