Neewer DSLR Camera Shutter Release Wired LCD Timer Remote Control Intervalometer Time-lapse Photography Device Compatible with RM-VPR1 Multi-Terminal Plug for SONY Alpha A7r, A7, A6000, A3000, SLT-A58, NEX-3NL, DSC-HX300, DSC-RX100M3, DSC-RX100M2, DSC-RX100III, DSC-RX100II Main functions: Delay / Self Timer (DELAY), BULB/Long Exposure(LONG), Interval Timer(INTVL), Exposure Count (N). Full functions supported as the camera shutter switch (with halfway or complete pressing); Compatible with Sony RM-VPR1 multi-terminal socket. Timer delay: 0s to 99hrs 59min 59s in 1s increments; Exposure time: 0s to 99hrs 59min 59s in 1s increments Design for group, macro, long exposures, continuous, motion shooting, etc. Panel light / Lock button is designed for using at night.