This is the RM-1 remote form Olympus. It can be use on a lot of Olympus cameras, on some cameras it will only do some features. On the C-2100 all the features will work, on the E-10 only the shutter button works. The range is about 10 feet indoors. It is very small, only 1 1/4 x 2 1/4 inches.

By Bill Huber