Magnetic Reed Switch, 10 Sets NC NO Magnetic Contact Switch for Door Window 0.67"IDx0.78"ODx9.6" for GMC Sierra 3500 HD

for GMC Sierra 3500 HD Denali SLE SLT WT 6

for Chevrolet R20 R30 1987-1988

Nozzle Dimension: 38x29x33mm/1

Fit for:for Nissan Sentra 2016 2017 2018 2019

Fitment: For Car W/O Thatcham Security Equipment

Magnetic Reed Switch, 10 Sets NC NO Magnetic Contact Switch for Door Window 0.67"IDx0.78"ODx9.6" for GMC Sierra 3500 HDEnhance 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