Magnetic Contact Switch for Metal Doors/Windows

Specification
Dimension: MC-51 31*14*8mm; MC-52 49*19*10mm
Sensing distance: 10-20mm
Output: NC
Material: Alloy-Zn/Alloy-Al
Cable: L1007UL#24AWG 260mm
Electrical: Max. 10W, Max. 100V voltage, Max. 0.5A
Application: metal doors/windows/cabinets
Package: 5pcs/bag, 80pcs/carton 18KG
Darrel Wilhoit
Am interested to use simple electrical contacts to sense if doors in my poultry pens are in open or closed position. I'm debilitated; hard to get around. I need to know open or closed position to save me steps and help automate my keeping of birds
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