Magnetic Reed Switch, 5 Sets NC Magnetic Contact Switch for Door Window 14x16x17mm Material: The knurled thumb nut

Material: The knurled thumb nut is made of 304 stainless steel

Coil inner length :78mm/3

and softwoods

Adjust the length of this chain by increasing or decreasing the number of links on your need

2cm / 7/8"

Magnetic Reed Switch, 5 Sets NC Magnetic Contact Switch for Door Window 14x16x17mm Material: The knurled thumb nutEnhance your home or office security with our magnetic reed switch. This wired surface mounted door and window contact is good for detecting the opening and closing of the door and window. Suitable for use in homes, shops, hotels, computer rooms, and other settings where security is a concern. In addition to providing an extra layer of security, these magnetic reed switches can also be used for automation purposes, such as turning on lights when a