Curiously, the camera doesn't beep when turned on with the remote, so unless you have an assistant standing by to look at your little light it's awfully hard to tell whether you're recording.
"If you want to set it at a certain speed -- say, 'I don't want my kid going over 65 mph' -- it'll beep at them until they slow down, " said Michael Copeland, sales manager for manufacturer Davis Instruments.