The LCD Remote Shutter is a remote switch with a self-timer, interval timer, long-exposure timer, and exposure-count setting feature for versatile remote control of your digital SLR camera. Timer delays, exposure times and intervals can be set up to 100 hours in one-second increments. You can also select anywhere from one to 399 continuous shots or set the device to take an unlimited number of photos. It also has a 40line back-lit LCD display to easily check the status of the timer and exposure functions as you shoot. Using the LCD remote shutter, you can expect clear, blur-free capture of all your images. Compatible with these digital Canon SLR models: EOS 1C/3/1D/1Ds/1Ds Mark II/1Ds Mark III/1D Mark II/1Ds Mark III/10D/20D/30D/40D/50D/5D/5D Mark II/7D