Pixel RW221-S2 Wireless & Wired Shutter Release Remote Control 2.4GHz with Multi-Terminal Cable for Sony Alpha A7r, A7, A6000, A3000, SLT-A58, NEX-3NL, DSC-HX300/RX100M3/RX100M2/RX100III Cameras This wireless remote control supports autofocus, single shooting, continuous shooting, bulb shooting and delayed shooting modes Single shooting: press shutter once and take immediate pictures Continuous shooting: hold down the shutter and camera will take photos continuously Long exposure: set the camera and the remote control to bulb mode for taking long exposure photos Multiple cameras control simultaneity: take pictures at the same time by one remote control with multiple receivers