Magnetic Reed Switch Kit 4 Pack Normally Open Glass Encapsulated Security Sensor For DIY Electronics And Home Alarm Installations Perfect Window And Door Contact Sensor Plug And Play Easy Install High Sensitivity Durable Glass Case Low Profile Design

4 Pack Glass-Encased Reed Switch Kit for Doors and Windows
✔️ Normally open reed switch, glass-encased, plug-and-play 4-pack

This four-pack of magnetic reed switches is designed for DIY electronics and home alarm setups. Each switch is normally open and glass-encased for durability and sensitive detection, ideal as door/window contacts.

✅ Pack size: 4-pack
✅ Type: normally open reed switch, glass-encased
✅ Output: digital switch output (0 and 1) with fixed bolt holes
✅ Mounting: compact PCB-friendly design for easy installation
✅ Applications: suitable for door/window sensors and DIY alarm systems

💡 What is a glass-encased normally open reed switch used for in home security projects?

It is a handy sensor that detects magnetic field changes to trigger a digital output, making it a good fit for door/window contacts.

- handy for DIY alarm and window/door sensor projects - works with magnets to detect closures for automation - easy plug-and-play mounting on small PCBs ✝️