25PCS Magnetic Reed Switch Door & Window Contact Sensor – White
Enhance your security and automation projects with this 25PCS Magnetic Reed Switch Sensor Set. Designed for doors and windows, these normally closed (NC) contact sensors are ideal for home alarm systems, Arduino projects, smart home setups, and DIY electronic applications.
Made with durable plastic housing and long wire leads for flexible installation, these magnetic contact switches can be mounted easily using screws or double-sided tape. The compact design makes them suitable for residential, commercial, and electronic monitoring systems.
Key Features

25PCS magnetic reed switch contact sensors

Normally Closed (NC) switch design

Suitable for doors, windows, alarm systems, and Arduino projects

Compact and lightweight plastic housing

Easy installation with screws or double-sided tape

Reliable magnetic contact sensing

Long 22 AWG wire leads for flexible wiring

Ideal for smart home and DIY electronics applications

Specifications

Product Type: Magnetic Reed Switch Sensor

Switch Pattern: Normally Closed (NC)

Material: Plastic

Color: White

Dimensions: 27mm × 14.3mm × 7.5mm

Actuation Distance: 18mm ± 6mm

Maximum Switch Current: 0.5A

Contact Capacity: Maximum switch current 80mA

Wire Lead: 22 AWG

Cable Length: Approx. 290mm

Mounting Options

Screw mounting

Double-sided tape mounting

Package Includes

25 × White Magnetic Reed Switch Door & Window Sensors

25PCS Magnetic Reed Switch Door Window Contact Sensor White for Alarm Security Arduino