Isibane senzwa yelanga sisebenzisa iphaneli yelanga ukuhlawula ibhetri egcwalisekayo.Xa ilanga likhanya ngokuqaqambileyo, i-solar panel ivelisa i-current and voltage ukutshaja ibhetri.Ebusuku, amandla okukhutshwa kwebhetri kumthwalo alawulwa ngobuchule bokutshintsha kwe-infrared kunye ne-optical switch.
Olu ludibaniso lweeprobes ezininzi zesibane sokufakelwa kwe-LED, isibane sokufakelwa kwezinto ezininzi sinokuqheleka, sitshintshelana.