【Compatible】Replaces Sony Multi Connector and RM-SPR1 Remote Control, fit for Sony A7IV A1 ZV-1 A7SIII A7RIV A7RIII A7RII A7R A7III A7II A7 A7SII A7S A6000 A6100 A6300 A6400 A6500 A6600 RX100 VII VI VA V IV III II FX30... 【Timer remote and an intervalometer】Set timer delays/exposure time/intervals/number of shots (up to 399 shots or an unlimited number of photos). An exposure as long as 99 hours, 59 minutes and 59 seconds can be programmed. 【Backlight LCD】Humanized backlight design allows you to view the LCD screen in the dark. 【Can be used as simple shutter release cable】Press halfway to focus; press full to trigger shutter; when taking long exposure pictures, pushing the shutter button up will lock the camera shutter. Replaces Sony Multi Connector and RM-SPR1 Remote Control. Be designed to function as a timer remote and an intervalometer. Great for lapse photography such as flower blooming, sunset, moon-rise & long exposures. Set timer delays/exposure time/intervals/number of shots (up to 399 shots or an unlimited number of photos). An exposure as long as 99 hours, 59 minutes and 59 seconds can be programmed. Helps prevent camera shaking and allows you to take self-portraits. Can also be used as a simple shutter release cable:Press halfway to focus; press full to trigger shutter; when taking long exposure pictures, pushing the shutter button up will lock the camera shutter. Humanized backlight design allows you to view the LCD screen in the dark. LOCK button prevents you from stopping a running unintentionally.