duvar için wu metre: http://www.youtube.com/watch?v=SbnopKh9J94
disko tabanı: http://www.youtube.com/watch?v=LPDtkPcnjSE&feature=fvwrel
ateşli duvar: http://www.youtube.com/watch?v=dzWyr6JnYKY&feature=related
insan algılayan duvar: http://www.youtube.com/watch?v=ovbUczmPLOQ&feature=related
insan algılayan taban: http://www.youtube.com/watch?v=zC9IEX-DzXM&feature=related
http://www.youtube.com/watch?v=Ta0gydreZTc&feature=related