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Security Accessories

The sensors and add-ons that round out a security or lighting setup. This Knightsbridge range covers mmWave occupancy and microwave detection modules, indoor PIR and Wi-Fi motion sensors, contact sensors for doors and windows, and IP55 photocell dusk-to-dawn switches for outdoor lighting. A mix of wired, mains and battery options to suit homes and busier commercial spaces.

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26 Products
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Security Sensors and Accessories

These are the sensors and add-ons that round out a security or lighting setup once the main kit is in place. The range covers mmWave occupancy sensors and microwave detection modules, indoor PIR motion sensors, Wi-Fi motion sensors with app control, contact sensors for doors and windows, and photocell dusk-to-dawn switches that bring outdoor lighting on at nightfall. There are also outdoor wall lights with a built-in photocell, plus a programming remote for tuning a microwave sensor module to the area you want covered.

Mounting suits both new and existing spots, with surface and recess options on the sensors so they sit flush in a ceiling or fix onto a wall. Several units are weatherproof, with IP44 and IP55 ratings for outdoor and exposed positions, while indoor modules carry a standard rating for dry rooms. A mix of mains, wired and battery power runs through the range, and the Wi-Fi sensors add app control with battery alerts so you know when a unit needs attention. Finishes in white, black and matt black keep them discreet on a wall or ceiling.

What the Range Covers

  • mmWave occupancy and microwave sensor modules for presence and motion detection.
  • PIR motion sensors, including Wi-Fi models with app control and battery alerts.
  • Contact sensors for monitoring doors and windows.
  • Photocell dusk-to-dawn switches and outdoor wall lights with a built-in photocell.
  • A programming remote for setting up a microwave sensor module.

From motion and occupancy sensing to dusk-to-dawn switching, the range fills in the parts that make a home or commercial setup work the way you want. Free UK delivery over £99, with worldwide shipping available.

Frequently Asked Questions

What is the difference between PIR and microwave sensors?

A PIR sensor picks up the heat given off by a moving body, while a microwave or mmWave sensor sends out a signal and reads the change as something moves through it. The range includes both, so you can match the sensing method to the space and the job.

Can these sensors be used outdoors?

Several units carry an IP44 or IP55 rating for outdoor and exposed positions, while indoor modules are rated for dry rooms only. Check the rating listed on each product before fitting it outside.

What does a photocell dusk-to-dawn switch do?

It reads the light level and switches outdoor lighting on as it gets dark, then off again at first light. This means a light comes on at nightfall without anyone needing to flick a switch.

What do the Wi-Fi sensors offer?

The Wi-Fi motion and contact sensors connect to an app, so you can keep an eye on doors, windows and movement from a phone. They also include a battery alert that lets you know when a unit is running low.

Can these sensors mount in a ceiling or on a wall?

Yes. Several sensors offer both surface and recess mounting, so they can sit flush in a ceiling or fix onto a wall. The product details list the mounting options for each unit.

Our Reviews

From first click to final installation, our customers share how Niori lights up their spaces. Read their words and envision what’s possible for yours.