This Cable Release Switch allows the user to take photos over long exposures, without shaking the camera body. Additionally, it offers the possibility of locking the release button for bulb exposures.

Slide the lock button in the direction of the lock arrow. Press the shutter button completely, the shutter will be locked.

This remote switch supports JJC Synchronization cable. It is able to support this remote switch connect two cameras at the same time.

Slide the function button in the W Mode. The receiver is active. Under this condition, the receiver can receive the signal from the transmitter; the receiver consumes the power of the battery. User can uses the Shutter button of the transmitter and Focus button to control the Camera's shutter and Focus. Press the transmitter's shutter button to take a photo. Press the transmitter's focus button to focus.

Slide the function button in the O Mode. The receiver is turnoff. Under this condition, the transmitter can not active the receiver to control the camera. The receiver will not consume any power of the battery. User can use the shutter button of the receiver to take photos. Press the shutter button halfway to focus. Press it fully to take a photo.

Slide the function button in the L Mode and turn on the camera to BULB mode. Under this condition, the transmitter opens the lens; Slid the function button in the O Mode, the transmitter closes the lens. When the camera is under no-Bulb mode and taking the photo, the transmitter will lock the shutter button, and the camera will implement continues shooting. Under L mode, the transmitter can not control the receiver.