Detectors

Detectors – same-day delivery available. Just make sure the product you want is in stock. Choose products to buy from the comfort of your home and have them delivered to your address, to an AlzaBox, or to one of our stores. Learn more about why shop on Alza.sk.

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7 reasons to shop for Detectors on Alza.sk

  • We have a wide network of stores across the Czech Republic, where we follow all hygiene measures, as well as contactless AlzaBoxes (pick-up points).
  • You can see the availability of each item right away. Don't forget that we deliver on weekends too.
  • We accept most payment methods, including contactless and cryptocurrency.
  • You can easily return or exchange your product at any of our AlzaBoxes.
  • Need assistance? Our customer support is available 24/7.
  • We complement our range with accessories and additional services.
  • You'll find all the essential information for each product, and for some, user reviews to help with your selection.

What to consider when choosing Detectors?

If you're planning to get Detectors, there are a few aspects that can help you choose the right product. In the left menu, you can use the parametric filter to narrow down the selection to match your preferences. We also recommend sorting by popularity or price.

Make your selection easier. Click through our pre-made filters for the category: Detectors

Are you looking for the best Detectors? Browse products sorted by popularity, or consult the reviews from other users.

Cheapest vs. most expensive Detectors

If you are looking for products based on price, you can browse the lowest priced Detectors, or choose to sort by price from highest to lowest.

Detectors – main types

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368 Results
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Xtend Home EZS-PIRP30
Motion Sesnor , connect through Radio frequency with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
-25 % off new 8.89 € New 11.90 €
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As good as new - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Xtend25010
1.0 1×
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EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English
-20 % off new 41.90 € New 52.90 €
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Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_04
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SAFE Door Guard Plus, white
Sensor - wireless magnetic open, shock and tilt detector for window and door security Powered by a replaceable battery that allows continuous operation for up to 4 years, white colour
-8 % off new 45.90 € New 49.90 €
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Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26008
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SAFE Fire Guard, white
Sensor - wireless fire detector with groundbreaking dual-spectrum detection and SIC technology, It can operate in a SAFE system or completely autonomously. Battery powered for up to 36 months, The detector has high sensitivity, stable performance and maximum resistance to false alarms, colour white
-12 % off new 50.90 € New 58.01 €
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Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH26004
4.3 7×
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Airthings View Radon - Air Quality Monitor
Air Quality Meter is designed for indoor environments where it monitors humidity, temperature and the amount of radon in the air. You use batteries or a USB cable to power it. Easily connect the air detector to the app via Wi-Fi or HUB using Airthings Smartlink. The app is compatible with both Android and iOS operating systems. Airthings View Radon also communicates with IFTTT, Google Assistant and Amazon Alexa voice assistants.
Great price 193.90 € Save 5.10 €
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In stock 5 pcs
Order Code: Air22TNG3
4.1 11×
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GARNI 206 OneCare
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, temperature measurement from -9.9 to 50 °C with accuracy 1 °C, humidity measurement from 1 to 99 % with accuracy 5 %, mains + battery-powered, visual signals, display, features: hours and alarm clock, cover material plastic, standalone unit
  97.90 €
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In stock > 5 pcs
Order Code: GARNI2403
5.0 2×
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Ajax MotionProtect Plus White
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,
  117.82 €
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In stock 1 pcs
Order Code: AJAX8227
5.0 1×
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Airthings View Pollution - air quality monitor
Air Quality Meter is designed for indoor environments where it monitors humidity and temperature. You use batteries or a USB cable to power it. Easily connect the air detector to the app via Wi-Fi or HUB using Airthings Smartlink. The app is compatible with both Android and iOS operating systems. Airthings View Pollution also communicates with IFTTT, Google Assistant and Amazon Alexa voice assistants.
  203.90 €
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In stock > 5 pcs
Order Code: Air22TNG2
4.5 6×
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EVOLVEO wireless outdoor siren for Alarmex / Sonix
Siren - closed system, area of use: security, power supply: Power plug
  81.90 €
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In stock > 5 pcs
Order Code: RY203f
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Shelly Presence Sensor Gen4, White
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, application in English, Czech and Slovak, power supply: Power plug,
BLACK FRIDAY -10 % 71.90 € 79.90 €
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In stock
Order Code: Shell26038
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Solight PIR Sensor for an E27 Bulb
Motion Sesnor , closed system with detection motion and Lights, range: lighting, power supply: Power plug,
  9.53 €
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In stock > 10 pcs at the supplier's
Order Code: SOLpos01
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SAFE Motion Cam (PhOD), white
Sensor - wireless dual PIR motion detector with photo camera, images in case of an alarm, or on request (PhOD), Motion detection up to 12 metres, which reliably ignores the movement of animals in the guarded area up to a weight of 18 kg and a height of 50 cm, Battery life for up to 4 years, Colour white
BLACK FRIDAY -10 % 125 € 138.90 €
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In stock
Order Code: SAFEH26001
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SAFE Motion Cam Outdoor (PhOD), white
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech and German, power supply: Battery-Powered,
BLACK FRIDAY -10 % 263.60 € 292.90 €
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In stock
Order Code: SAFEH26019
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Solight PIR Sensor Wall-Mounted, Outdoor, Black
Motion Sesnor , closed system with detection motion and Lights, range: lighting, power supply: Power plug,
  12.47 €
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In stock > 10 pcs at the supplier's
Order Code: SOLpos03
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Imou ZSM1 smoke detector 3-pack
Smoke Detector -, battery-powered , detection reach 130 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features: test button, temporary shutdown, reset, automatic scenarios and alarm, cover material plastic, operating temperature from 0 to 55 °C, operating humidity from 0 to 95 %, input voltage 3V, mounting kit included, standalone unit
New arrival 75.90 €
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In stock 1 pcs at the supplier's
Order Code: Imou26011
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Solight PIR Sensor Wall-Mounted, Outdoor, White
Motion Sesnor , closed system with detection motion and Lights, range: lighting, power supply: Power plug,
  12.47 €
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In stock > 10 pcs at the supplier's
Order Code: SOLpos02
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SAFE Starter Kit Fire Cam, white
Security Kit - for early fire detection with visual inspection, includes Hub 2 Plus LTE, Fire Guard and Turret Cam AI, instant notifications in ProSAFE, encrypted communication (AES128), LTE backup (2× SIM), 4 Mpx camera with IR and AI detection, quick installation via QR/PoE, suitable for apartments and houses, White colour
BLACK FRIDAY -10 % 539 € 598.90 €
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In stock
Order Code: AJAX26010
4.5 22×
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Airbi CO2AIR digital carbon dioxide meter
Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit
  80.90 €
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Unsealed - in stock 1 pcs
Order Code: Airbi24001
4.3 7×
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Airthings View Radon - Air Quality Monitor
Air Quality Meter is designed for indoor environments where it monitors humidity, temperature and the amount of radon in the air. You use batteries or a USB cable to power it. Easily connect the air detector to the app via Wi-Fi or HUB using Airthings Smartlink. The app is compatible with both Android and iOS operating systems. Airthings View Radon also communicates with IFTTT, Google Assistant and Amazon Alexa voice assistants.
-3 % off new 187.90 € New 193.90 €
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Unsealed - in stock 1 pcs
Order Code: Air22TNG3
4.9 13×
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Airthings Corentium Home (224 B/m3) - digital radon detector
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
-6 % off new 164.90 € New 177.02 €
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Unsealed - in stock 1 pcs
Order Code: Air21TNG4
4.5 22×
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Airbi CO2AIR digital carbon dioxide meter
Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit
-13 % off new 70.90 € New 81.90 €
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As good as new - in stock 1 pcs
Order Code: Airbi24001
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frient Intelligent Smoke Alarm
Smoke Detector - battery-powered , detection reach 10 m, reaction time 2 s, acoustic signals, signal volume 85 dB, battery indication, features: test button and temporary shutdown, cover material plastic, operating temperature from 0 to 50 °C, operating humidity from 10 to 95 %, ingress protection IP20, holder and battery included, compatible with Google Home, Samsung SmartThings, Home Assistant and Homey, requires a central hub, app language options: Czech and English , compatible with Android, Windows and iOS
  65.08 €
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In stock 4 pcs at the supplier's
Order Code: WSaaa7128
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ONDILO ICO Spa V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
Detector - smart water monitor, for monitoring the water quality in the hot tub, compatible with chlorine and bromine sanitizers, intuitive, low maintenance
BLACK FRIDAY -15 % 416.19 € 494.90 €
Buy
In stock
Order Code: ONDa26002
4.2 13×
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Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %, battery-powered, visual signals, notifications via push notifications, battery indication, operating temperature from 4 to 40 °C, holder and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
  84.90 €
Buy
Unsealed - in stock 2 pcs
Order Code: Air21TNG1
 
In the category Detectors on Alza.sk, we currently have a total of 368 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
Check out products sorted by price starting with the lowest price in the category cheap detectors Find products sorted from the most expensive to the cheapest in the category most expensive detectors Check out products sorted by price starting with the highest price in the category best sellers, best detectors You’ll find products sorted by reviews starting from the highest ranked in detectors reviews