Uxcell a10103000ux0020 Recessed Security Alarm Contacts Door Window Sensor Magnetic Reed Switch White Product Name : Door Magnetic Switch; Maximum Current : 0.5A;Voltage : 100V Rated Power : 10W;Contacts Status : NC; Operating Distance : ~12mm Cable Length : 25.4cm/10" ;Size : 17 x 11mm / 0.67" x 0.43"(H*D) Color : White; Housing Material : ABS Weight : 11g;package Content : 1 x Door Magnetic Switch