Shutter release button: Dual Stage Button (halfway / complete),Button lock: Available, Slide Style Prevent vibration: This remote cord can prevent vibration during long exposures, close-ups or continuous ,The shutter release button of this remote cord can be pressed halfway for auto-focus and exposure metering. And the shutter release button lock is available which for long exposures and continuous helpfully Halfway pressed button: The shutter release button of this remote cord can be pressed halfway for auto-focus and exposure metering Shutter release button lock: A shutter release button lock is available which for long exposures and continuous Compatible with: D90 D600 D3200 D3300 D5000 D5100 D5200 D5300 D7000 Digital SLR Cameras release cord (remote commander) It is really a very useful and helpful gear for prevent vibration when taking photos under long exposures, close-ups (macro) or continuous . Model: -DC2 Shutter release button: Dual Stage Button (halfway / complete) Button lock: Available, Slide Style colour: black Material: ABS size: Length of cord: 80 cm (3 ft. .) item size: 3.8 inch x0.7 inch x1 inch (9.8cmx1.8cmx2.6cm) Package Contents: 1* Remote release cable 1* User manual Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.