Ex-Pro Combi TF additional wireless remote shutter release, plus a remote flash trigger (Receiver unit x1). For use with Wireless remote shutter release (Sold seperately) - the Combi TF receiver allows wireless control of the camera's shutter release, auto focus, continous shooting, bulb mode and 4 second timer delay trigger via remote using this receiver. Using multiple receivers, several portable flash units can be fired simultaneously, along with triggering studio lights. Ideal for a wireless studio environment. Specialised photography such as sporting, wildlife, landscape plus many more are enhanced using the Combi TF. The Combi TF uses high-tech, reliable FSK 2.4GHz frequency, which is a worldwide licencefree technology. Optional Studio light cables are available. 1 Year Manufacture warranty.