The cheapest wireless infrared remote controller for Sony NEX7 A55  

Main feature:

This is a remote switch with an 85cm cord ,the timer can be set anywhere from 1 sec. to 99 hrs.

1.Self-timer

2. interval timer

3.long-exposure timer 

4. exposure-count setting

Simply insert the plug into the camera's remote control socket,you can easily enter the numeric settings with a single thumb.

Suitable for :

   SONY : NEX7 NEX6 NEX-5n A33 A55 A580 A390