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NavKar Systems

MCJ-43 NAVKAR SYSTEMS 433MHZ Wireless Window Door Sensor WiFi Magnetic Detector Home Alarm System

MCJ-43 NAVKAR SYSTEMS 433MHZ Wireless Window Door Sensor WiFi Magnetic Detector Home Alarm System

Regular price Rs. 759
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Amazon price checked 28 Oct 2026; Amazon prices change often. All our prices include GST, with the same warranty and free support.

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Product description

 

433MHZ Wireless Window Door Sensor WiFi Magnetic Detector Home Alarm System
Description:
100% brand new and high quality
Feature:
Made of high-quality material, durable, firm and stable to use.
It is used to detect doors, windows, drawers cabinets and other illegal open or move.
The magnetic detector will be triggered when magnet and transmitter are separated, and then the sensor will send the RF signal to the alarm host. The host will response to you.
Wireless door magnetic detector is easy and simple to install and remove.
Suitable for home, school, factory, community, shops, stores, villa and so on.
Installation: the detector and magnet should be up and down alignment, and the distance between them is not greater than 1cm.

Specifications:
Item Type: Door Sensor
Material: ABS
Size: 70x40x20mm/2.7x1.5x0.7in
Color: White
Working voltage: DC3V (button cell)
Quiescent current: less than 10uA
Working current: less than and equal to 15mA
Undervoltage detection point: 7.5 minus or plus 0.5V
Transmission frequency: 433MHZ
Launch distance: equal to and greater than 80 meters (open distance)
Door magnetic detection distance: 25-35mm
Wireless encoding format: 1527
Working temperature: -10-40℃/14-104℉
Quantity: 1PC

Installation of door/window magnetic sensor:
Load batteries in part A of the wireless door/window magnets and fix the same on doors/window frames to be monitored, and part B on the doors/windows, as close to each other as possible. (We recommend fix parts A and B with screws. The screw holes of part A are located in the mounting board, which should be punched using hard objects).
Test of door/window magnetic sensor:
After installation, pull the antenna to the full length. Open the doors/windows to be monitored, the red light on the magnet will be on, at the same time, there will be alarming sounds and indication on both console and the handset. If the red light on the magnet is not on, please check whether the “Low volt indicator” is on. If it is, please replace the batteries.

About this item

  • Item Type: Door Sensor, Material: ABS, Size: 70x40x20mm
  • Made of high-quality material, durable, firm and stable to use.
  • It is used to detect doors, windows, drawers cabinets and other illegal open or move.
  • The magnetic detector will be triggered when magnet and transmitter are separated, and then the sensor will send the RF signal to the alarm host. The host will response to you.
  • Wireless door magnetic detector is easy and simple to install and remove.
  • Suitable for home, school, factory, community, shops, stores, villa and so on.
  • Installation: the detector and magnet should be up and down alignment, and the distance between them is not greater than 1cm.

NavKar Systems MCJ-43

Specifications

MCJ-43 is a 433 MHz wireless magnetic door and window sensor that sends an RF signal to an alarm host when the magnet and transmitter are separated. It runs on a 3 V button cell and works up to 80 m in the open.

ModelMCJ-43
Frequency433 MHz
Encoding1527
Transmission range80 m or more in the open
BatteryDC 3 V button cell
Standby currentLess than 10 uA
Working current15 mA or less
Magnetic detection distance25 to 35 mm
Material and colourABS, white
Size70 x 40 x 20 mm
Working temperature-10 to 40 °C
Quantity1 piece

In the box

  • 1 x MCJ-43 wireless door and window sensor
Download datasheet (PDF)

Specifications from NavKar Systems' product details for this model. All prices include GST.

Frequently asked questions

What does the MCJ-43 do?

It detects when a door, window, drawer or cabinet is opened or moved. The transmitter sends an RF signal to the alarm host.

What frequency and code does it use?

433 MHz with 1527 encoding. The alarm host must match.

What is the wireless range?

80 m or more in the open. Walls reduce it.

Which battery does it use?

A 3 V button cell.

How close must the magnet and sensor be?

The text says not more than 1 cm apart. The detection distance is given as 25 to 35 mm, so test it after fixing.

How should I fit it?

Fix the detector and magnet one above the other. Screws are recommended, and the screw holes are in the mounting board.

What temperature does it work in?

-10 to 40 °C.

Does it work without an alarm host?

No. It sends its signal to an alarm host or console.

How do I install this sensor?

Wireless sensors fix with double sided tape or screws and run on batteries. Place magnetic contacts on the door or window frame and motion sensors at a corner facing the room.

Which alarm panel will it work with?

It pairs with wireless alarm panels of the same radio frequency. Check the frequency in the product details before buying.

How long do the batteries last?

Battery life depends on use and the battery type listed in the product details; most wireless sensors run for many months on a single battery.

Is technical support available?

Yes. Free technical support is available for installation and setup.

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