AEO Lightning Strike! Micro 3.0- Lightning Activated Shutter Trigger with RM-UC1 Connector The smallest trigger on the market (2.25x 2.75x 0.75) Day or night detection of lightning fast events (Lightning, fireworks, gun fire) 0.1 millisecond response time from lightning event to camera trigger (this time doesnt account for your cameras shutter lag time.) Includes standard hot shoe mount for most SLR/DSLR cameras Improved noise immunity (shutter hammer) from man-made sources