433MHz Wireless Battery Door Sensor

The 433MHz wireless magnetic door/window sensor designed for home and office security alarm systems. It detects the opening and closing of doors or windows using a magnetic contact mechanism and instantly transmits alarm signals to a compatible wireless alarm panel.

Key Features

433MHz wireless communication for stable signal transmission
Magnetic contact detection for doors and windows
Battery-operated design for easy installation without wiring
Compact lightweight ABS plastic housing
Supports integration with home alarm and smart security systems
Low power consumption for extended battery life
Easy peel-and-stick or screw mounting installation

Overview

The sensor consists of:

A main transmitter unit
A magnetic contact strip

When the door or window opens and the magnetic connection is broken, the sensor immediately sends a wireless alarm signal to the connected security system.

Specifications

Feature	Details
Frequency	433MHz
Power Supply	Battery operated
Material	ABS plastic
Installation	Adhesive tape or screws
Application	Doors & windows
Transmission Type	Wireless RF signal
Usage	Home alarm systems