1、Halfway Press: Gently press the shutter button of the camera halfway to activate the camera's autofocus or metering system, and press the shutter halfway to achieve focus. 2、All Press: Press the shutter release button all the way down and release the camera shutter for a quick, steady shot. 3、Convenient: When the camera is setting the BULB door, you can fully press the shutter release button and push it forward to lock the camera shutter for long exposure shooting, which is very convenient and fast. 4、Reasonable Design: The shutter remote has a reasonable design, the wire is about one meter long, the handle is thick, the handle is good, the stability is good, and it is easy to carry. 5、Applicable: The cable camera shutter remote is recommended for night scene shooting, product shooting, advertising photography, stage shooting, commercial photography and other places.