A great tool to open up your photographic possibilities, the Hahnal Combi TF Wireless Shutter Release & Flash Trigger gives you more control when shooting. Works with all Canon DSLR The Combi TF is compatible with all Canon DSLR cameras thanks to the interchangeable cables supplied & is ideal for remote shooting in the studio or on site. When you can't afford to risk losing a shot through camera shake, a remote shutter release lets you capture perfect images from up to 100 metres away. Wireless Flash Trigger The Combi TF is easy to connect so you can remotely & wirelessly activate your flashes to give you well lit images & a wirefree studio environment. FSK 2.4 G Hz frequency High-tech, reliable Operating on the FSK 2.4 G Hz frequency which is a worldwide licence free technology for added usability. To add another dimension to your photography try the Hahnal Combi TF Wireless Shutter Release & Flash Trigger.