Nascom's N200AU Mighty Mite Is A Mini Overhead Door Switch With UniversalMagnet For Commercial And Industrial Overhead Door Applications.The Mighty Mite Combines The Installers' Choice Of Contact Confi Guration With AnN35 Ndfeb Magnet For Maximum Gap Performance.The Closed Loop Versions Of The N200AU Prevent False Alarms Caused By The SideTo Side Shifting Of Overhead Doors With Our Unique NO DEAD SPOT? TechnologyFEATURESNO DEAD SPOT? TECHNOLOGYUNIVERSAL MOUNTEXTRA WIDE GAP - N35 NdFeB RARE EARTH MAGNET36" 22AWG WIRE LEADS24" ARMORED CABLE LEAD PROTECTIONEXTRUDED ANODIZED (TYPE II) ALUMINUMLISTED TO UL634 STANDARD