Vivitar Series 1 Wireless 2-in-1 Shutter Release for Sony Alpha A700， A850 A900 Digital SLR[Product Information]- Enter your model numberto make sure this fits.
- Instant Release: Press shutter release once and take immediate pictures.
- Multi Exposure: Press the shutter release one time and the camera will take 5 consecutive pictures， or hold down for continuous shutter release.
- 2 Second Release: This will give you the extra time you need to get into the perfect picture position.
- Long Exposure: Set camera to bulb mode and hold shutter release for 3 seconds， the shutter will now be open， then press the shutter once to release the picture
