Micnova Mq-lc03o Lightning & Motion Activated Camera Shutter Trigger Sensor Trigger Remote For Olympus Cameras 0.1ms response time from lightning event to shutter release 5m PIR passive motion triggering capability when in Motion Mode; Power:IEC LR03 AAAx 2(not included) Compatible with Olympus EVOLT E-620 EVOLT Pen EP-1, EP-2 EVOLT E-30 EVOLT E-510 EVOLT E-520 EVOLT E-410 EVOLT E-420