If your question is does anyone know what the "black thing is" under the lens, yes, yes we do. it's a Wedge, and if you go back to our web page you can find this out. We have copied and pasted it here for you;
Comes with a AA battery holder installed, rechargeable battery pack, docking station, AC adaptor and wedge.
The batteries are installed from the bottom.
Answered on 4/7/2015 by Bg