MS-24ST MOUNT TYPE:SURFACE MOUNT WITH SCREW SIZE:2.0"L X 1/4" W X 3/8" H mm CONTACT TYPE:N/O FOR CLOSED LOOP SYSTEM CONTACT RATING: MAX. SWITCHING CURRENT: 0.5 Amp VOLTAGE: 200 VDC RATING POWER: 10 W OPERATING GAP:15-20mm MAGNET:FERRITE LEAD WIRE:SCREW TERMINAL HOUSING:ABS, COLOR: BROWN, WHITE, BLACK RECOMMENDED:FOR WOODEN DOOR, WINDOW USE