Specification: New Upgraded WIRELESS timer shutter release , you can not only use it at basic wired timer shutter release, but also can use it as wireless shutter release, so there are two functions for this one product, it`s more convenience and efficient. Function: 1) Self- timer --- Just like the self timer on your camera. The timer remote switch allows you to set any delay (in 1 second increments) up to 99 hours, 99 minutes and 99 seconds. 2) interval timer --- The Interval Timer can be set to any time period up to 100 hours as well. If you set it to 10 minutes, for example, one exposure will be taken every 10 minutes until either the film runs out or the Exposure Count limit has been reached. 3) long- exposure timer --- It allows you to take time exposures up to 100 hours long. 4) exposure-count setting --- This setting allows you to set the times of exposures that will be taken, up to a total 399 times. For example, if you set it to 30 times, then the exposure will be only taken 30 times. There is one shutter release cable for free in this set, you can connect the remote cord and camera, and then you can use it as normal basic wired shutter release like the first version..*Pls kindly note that the item is shipped from China Port.