Live composite mode is another feature first found in Olympus OM-D cameras, and lets you see the image developing on the screen, and is particularly useful for light-painting or night photography.
The Olympus Tough TG-5 may be the older version of the TG-6, but offers a lot of what makes the TG-6 so good, including the same 4x optical zoom lens, with a bright f/2.0 lens, a 12mp sensor ...