Nascom’s N200AU MIGHTY MITE is a mini overhead door switch with universal magnet for commercial and industrial overhead door applications. The MIGHTY MITE combines the installers’ choice of contact confi guration with an N35 NdFeB magnet for maximum gap performance. The closed loop versions of the N200AU prevent false alarms caused by the side to side shifting of overhead doors with our unique NO DEAD SPOT™ technology.