"With the ioShutter Shutter Release Cable with N3 Connector, you can use your underachieving device to control your DSLR camera--Timelapse, Bulb, Timer, Sound trigger and a ShakeToTake movement trigger.Using this 2.95' (90 cm) release cable and the free app (which can be downloaded from the Apple App Store) on an iPhone4, iPhone 3GS, iPhone3, iPod Touch gen 4, iPad1, or iPad2 (also compatible with Android), you have control over your DSLR. Timer, Bulb, Timelapse, Sound Trigger and ShakeToTake functions are available and will operate together - use a Sound trigger for a Timer exposure, use Timer for a Bulb exposure, or ShakeToTake to trigger a Timelapse exposure. This release cable is also compatible with the Pro App available for sale separately in the App Store. The Pro App expands the functionality of the modes.This cable is compatible with a variety of cameras. These cameras have been lab tested for compatibility: EOS 1DC, 1DX, 1DS, all EOS1D cameras, all EOS 5D cameras, 6D, all EOS 7D cameras, EOS 10D, 20D, 30D, 40D, 50D, 70D, EOS D60 (from 2002) EOS D30 (from 2000) and the Canon film cameras EOS AE2, EOS 3 and EOS 1V Canon G1x G10 G11 G12 G15 SX50 760D 750D 60D 70D 1200D 1000D 1100D 650D 700D 600D 100D 550D 500D 450D 400D 350D 300D EOS Digital Rebel series Kiss F x 5 x4 x3 x50 XS Elan II|Control your DSLR using your iPhone, iPad, or iPod Touch|ioShutter includes a 20-second and 60-second timer for more time to set your shot up with or without you in it. Bulb mode offers 60-, 90- and 120-second slow shutter speeds for fantastic night photography. Timelapse offers three options to enable you|Sound trigger and ShakeToTake - for the first time, you can easily trigger your camera with sound using ioShutter. Clap, laugh, scream, bang stuff and it will fire your camera|Multi functionality: Almost every function can work with the others. Want a sound to trigger a timer countdown, No problem! How about timer triggering a Bulb exposure, Easy! ShakeToTake to start a Timelapse program, At your fingertips|The ioShutter app is compatible with iPhone4, iPhone3GS, iPhone3, iPod touch gen4, iPad1 and iPad2|With Pro App you can schedule the Timer using Calendar functionality, run a Time Lapse for days, set the dB level for Sound Trigger, program your iDevice's movement sensors and more|Fully compatible with: Canon 5D Mark II, 5D, 7D, EOS-1D Mark IV, EOS-1Ds Mark III, EOS-1D Mark III, EOS-1D MARK II, EOS-1D MARK IIn, EOS-20D|Totally programmable timer, including scheduling functionality. Use your device's calendar and clock to schedule your camera's shutter, or other ioShutter functions|Bulb mode becomes fully customizable to any shutter speed you desire|Timelapse can be set to any interval and duration|Sound trigger allows you to set the dB level and duration of sound before the camera, or another function, is activated|Pro ShakeToTake is multi-directional, dialing in exactly what motion sets your camera, or another function, off"