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The Professional Wireless Bluetooth 4.0 Camera Shutter Remote Trigger Release for iPhone 5 4S iPad mini iPad 3 Retina iPod touch 5th DSLR
RDM-ST1 provides complete set of shutter control features including: bulb, continuous shutter, delay timer, long time exposure, bracket exposure and intervalometer (time lapse). With the intuitive user interface provided by smart phone or tablet, never before the setting can be done as easily. No matter you want a remote shutter release to take simple group photos, long exposure, HDR or a time lapse task span over days, RDM-ST1 is the only device that you need.