1.FUNCTION: The camera release control remote prevent shaking caused by holding camera, control autofocus and shutter triggering, capture images without shaking camera, which is very suitable for taking long exposure photos, continuous or single exposure 2.VARIOUS SHOOTING MODES: The Shutter Release Remote trigger support various shooting modes, slow door photography, small depth of field photography, difficult angle photography, reducing vibration, can move the shutter 3.SHUTTER CONTROL: Camera Shutter support half-press to focus, full-press to take photo, lock the shutter. Users can utilize according to actual shooting situations to get a better shooting 4.SHOOTING MODES: Camera Shutter Release Trigger with auto-timer, can set delay time, exposure time, interval time and number of shots. Support manual shutter release, even if start the timer, you can shoot manually