This Infrared Wireless Remote for Sony can trigger your camera shutter release from a distance and without causing any vibration!!! 

Before use,please set the camera to the remote control mode.
 
Specifications
Dimension : 8.6 x 0.6 x 3.3 cm 
Weight : 18g  
 
Package Contents
Infrared Wireless Remote x 1
CR2025 Lithium Battery x 1
English User Manual x 1

Suitable for:
SONY EVIL NEX5
SONY SLT-A33/SLT-A55
SONY Alpha A230/A290/A330/A380/A390/A450/A500/A550/A560/A580/A700/A850/A900