**Reed Switch**
A **Reed Switch** is a compact magnetic sensor used to detect the presence or absence of a magnetic field in a wide range of electronic and automation applications. Commonly used in security systems, door and window alarms, industrial equipment, home automation, and position sensing, it provides reliable contact switching with low power consumption. The sealed glass design ensures durability, long service life, and protection against dust and moisture. Easy to install and compatible with various control systems, the Reed Switch is an ideal solution for accurate magnetic sensing and monitoring applications.