The shoe tilts 45 degrees either way for beveling. You release and lock it by moving the lever below the trigger.
To install a blade, you move the spring-loaded lever up front, push the blade all the way in, and let go of the lever. Move the lever again, and the blade pops out, as shown here.
Powered by the compact battery, the tool made more than 19 feet of test cuts through 3/4-inch plywood on a single charge. Squeezing the trigger kicks on the LED headlight and (briefly) the LED battery gauge above the trigger.