The timer remote is used to trigger the camera shutter with Delay shooting/Self-timer, Bulb shooting/Long exposure timer,Interval timer, Exposure count control, Remote switch function.
Delay time and Exposure time: 0 s to 99 hrs 59 mins 59 secs in one-second increments,Interval time:1 s to 99 hrs 59 mins 59 secs in one-second increments,Shooting amount:1to 399 and unlimited,speaker on/off.
The remote release button is pressed halfway for autofocus, and fully pressed to trigger the camera shutter.
The remote control has an LCD screen, short press the Lighting/Lock button to light up the backlight, long press the Lighting/Lock button to lock the screen operation.