This PocketWizard PreTrigger Special remote shutter release is used to connect PlusX, Plus III, FlexTT5, or MultiMAX with ACC port wireless transceivers to a Nikon 10-pin remote shutter release terminal. It helps you remotely use the half trigger and full trigger function of the camera. You can pre-trigger the camera for metering and focusing positions before clicking the picture. This black cable comes with a 'no doide' circuit. It come in lengths of 3 feet (91.5 cm) or 1 foot (30 cm) and is packed in an eco-friendly paper box which is 100 percent recycled. The box has a white label that indicates both ends of the cable as well as the compatible cameras.