Optex Bx Shield Battery Operated Models Bi Colour 165Px Visual

Product Details

The BX Shield is a series of curtain outdoor motion sensors with up to 12m detection range on each side. Ideal to detect people in the immediate boundary of your home or office building, the outdoor detectors feature four PIRs, two on each side. The left and right detection area can be set up completely independently from each other. The BXS-R is the standard wireless model.

Independent left/ right motion detection and CCTV connection

The outdoor motion sensor’s detection range, sensibility and alarm output can be set independently on the left and the right. The detection distance can easily be set at 2.5m, 3.5m, 6m, 8.5m to 12m on each side, the sensitivity can be set from low to extremely high, detecting only 1 degree Celsius temperature difference. The BX Shield can be easily connected to a fixed dome CCTV camera to send visual alarm when people are entering in the immediate boundary of the premises.

Versatile design

The BX Shield curtain sensor has been designed with the user in mind. A 90 degree unlocking system allows easy access to the settings area, a spirit level help fixing the sensor straight. A black and silver face covers are available as option making the look of the outdoor curtain sensor easy to blend with its environment.

Four PIRs in one sensor for best reliability

Why two PIR in each side ? to make sure we offer the best performance needed in outdoor environment. On each side, the BX Shield motion sensor features two passive infrared beams one pointing towards the floor and one pointing away from the sensor, both beams need to trigger to confirm the detection: this system allows to ignore small to middle size dog animals and detect only people.


  • Buildings
  • Perimeter
  • Approach
  • House

Key Features

  • Wireless curtain PIR up to 12m per side
  • Completely independent detection setting per side
  • Versatile and easy-to-install design
  • Not affected by environment or small animals


Adding our outdoor PIRs onto a wireless intrusion alarm system is simple. Our battery-operated sensors have enough space to accommodate most universal transmitters. As our sensors are very low current, the transmitter and sensor can be powered by the same batteries. A video was created to show you how to install the wireless transmitter. Watch our video tutorial.

The installation height is 0.80m to 1.2 m. This is applicable to all of the BX series units. In order to get the best result, install the detector from 0.09 to 1m high.

Yes, it can be adjusted by modifying each lens’ position.

Yes, you can do it. The box contains masking tapes. Consult the installation manual for more details.


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