The Canon RS60 E3 replicates the functions of the shutter release button. The remote switch, on a 2-foot cable, is quite compact, and is compatible with the Canon EOS Rebel 2000, EOS Rebel X/XS, EOS Rebel G, EOS Elan II, EOS Elan IIe, and EOS IX.
The NB-4L is a rechargeable Lithium-ion battery pack for Canon PowerShot models SD200 and SD300. It's made to withstand approximately 300 recharges. When shooting with the LCD monitor off, you can expect approximately 400 images when fully charged, or 140 images when shooting with the LCD monitor on under normal environmental and shooting conditions...
