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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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
  58.01 €
Buy
In stock 1 pcs at the supplier's
Order Code: SAFEH26004
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SIGNIFY 17476/87/PN Virginia outdoor PIR motion sensor IP44, grey
Motion Sesnor with detection motion compatible with Manufacturer app, range: security,
  35.82 €
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In stock > 5 pcs at the supplier's
Order Code: HOMEaaa1419
1.0 2×
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Smoot Air Motion
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Apple Siri shortcuts and Tuya, range: lighting and security, application in Czech, power supply: Battery-Powered,
  20.46 €
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In stock 3 pcs at the supplier's
Order Code: HLDdh18
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Smoot ZigBee Leak Pro
Water Leak Detector - detects Water gas, battery-powered, compatible with Apple Siri shortcuts and Tuya, connect via WiFi 2,4 GHz and WiFi 5 GHz, battery indication, central unit required to function,, app with Czech language support for Android and iOS
BLACK FRIDAY -26 % 24.24 € 32.82 €
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In stock at the supplier's
Order Code: SMTphsnz5
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Tellur WiFi Smart occupancy sensor, 2.4GHz radar sensor, USB-C, white
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Manufacturer app, range: security, power supply: USB,
  25.01 €
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In stock 4 pcs at the supplier's
Order Code: TLR24002
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frient Motion Sensor Pro
Motion Sesnor , open system with detection motion, Lights and temperature compatible with Samsung SmartThings and Home Assistant, range: lighting, security and home control, application in English, Czech, German, Slovak, Hungarian, In Polish, In Spanish, In French and In Italian, power supply: Battery-Powered,
  40.05 €
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In stock > 5 pcs at the supplier's
Order Code: SMARaaa0049
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frient Motion Sensor 2 Pet
Motion Sesnor , open system with detection motion, Lights and temperature, range: lighting, security, windows, doors, gates and home control, application in English, power supply: Battery-Powered,
  52.57 €
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In stock 4 pcs at the supplier's
Order Code: SMARaaa0048
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Hütermann Fire detector and smoke detector
Smoke Detector - battery-powered , detection reach 3 m, acoustic signals, signal volume 85 dB, battery indication, features: alarm, operating temperature from 0 to 50 °C, operating humidity from 10 to 90 %, standalone unit
  12.07 €
Buy
In stock 1 pcs at the supplier's
Order Code: EMPlist0128
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WiZ Contact sensor 2pack
Door and Window Sensor - wireless, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, battery indication, night orientation light and adjustable sensitivity, range of 20m, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
  51.72 €
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In stock 1 pcs at the supplier's
Order Code: WiZ25002
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BOT Smart Vibration Sensor VB1 Zigbee
Vibration Detector - detects vibration gas, battery-powered, range: 30 m, compatible with Tuya and Smartlife, connect via WiFi 2,4 GHz and WiFi 5 GHz, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
BLACK FRIDAY -11 % 25.08 € 28.21 €
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In stock at the supplier's
Order Code: BOTdet009
4.5 2×
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Nedis WIFISA20CBK
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), mains power supply, acoustic, visual signals, notifications via push notifications, battery indication and display, features: hours and date, operating temperature from -10 to 40 °C, power cable and mounting kit included, compatible with Smartlife and Nedis SmartLife, standalone unit, compatible with Android and iOS
  79.90 €
Buy
On the way 3 pcs
Expected 10/11/2026
Order Code: Nedis24065
4.1 12×
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EMOS GoSmart Air Quality Monitor E30300 with Wifi
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, temperature measurement from 0 to 50 °C with accuracy 0.1 °C, humidity measurement from 20 to 90 % with accuracy 1 %, mains power supply, acoustic, visual signals, notifications via push notifications, display, features: hours, alarm clock, memory, automatic scenarios and alarm, power cable included, compatible with Tuya, Lidl Home, Smartlife and EMOS GoSmart, standalone unit requires a central hub, app language options: Czech and English, compatible with Android and iOS
BLACK FRIDAY -39 % 62.90 € 104.64 €
Currently Unavailable
Order Code: EMOS24070
4.3 11×
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Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
Door and Window Sensor - wireless, compatible with Apple Home, Google Home and Samsung SmartThings, connect via Bluetooth, central unit required, supported OS: Android and iOS, application in English
BLACK FRIDAY -46 % 30.99 € 57.90 €
Currently Unavailable
Order Code: Eve23_02
4.7 13×
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FIBARO Smoke Sensor
Smoke Detector - detects temperature, temperature measurement from -20 to 100 °C, battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, features: alarm, operating temperature from 0 to 55 °C, operating humidity from 0 to 93 %, battery included, standalone unit requires a central hub, app language options: Czech and English
  78.90 €
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Ordered on request
Order Code: FIBR01f
4.7 16×
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FIBARO Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth with detection motion, Lights and temperature, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
  76.90 €
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Ordered on request
Order Code: FIBR01b
4.9 10×
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Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Lights compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security and home control, application in English and German, power supply: Battery-Powered,
BLACK FRIDAY -39 % 34.99 € 57.90 €
Currently Unavailable
Order Code: Eve23_03
4.1 7×
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FIBARO Flood Sensor
Water Leak Detector - detects temperature and Water gas, battery-powered, connect via Bluetooth, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
  85.90 €
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Ordered on request
Order Code: FIBR01c
5.0 4×
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Ajax CombiProtect White
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Ajax and Manufacturer app, range: security, application in English and Czech, power supply: Battery-Powered,
  121.06 €
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Ordered on request
Order Code: AJAX7170
5.0 1×
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X-Sense FS61 (6+1) Set of 6 XS01-M Wireless Smoke Detectors with SB550 Base Station
Smoke Detector - temperature measurement from 4 to 38 °C, humidity measurement, battery-powered , detection reach 500 m, reaction time 1 s, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features: test button and alarm, cover material plastic, operating temperature from -4 to 38 °C, operating humidity from 0 to 85 %, ingress protection IP20, input voltage 3V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -14 % 137.39 € 159.90 €
Currently Unavailable
Order Code: XSEN26008
3.0 2×
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Imou gas sensor/detector ZGA1
Gas Leak Detector - mains power supply, detection reach 200 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, features self-diagnostics, automatic scenarios and alarm, cover material plastic, power adapter and mounting kit included, requires a central hub, app language: English , compatible with Android and iOS
  28.90 €
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Ordered on request
Order Code: Imou23_40
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X-Sense SC07-MR RF Combined Smoke and CO Detector for SB550 Station
Smoke Detector - detects CO (carbon monoxide), gas, measurement range from 30 to 999 ppm, battery-powered , reaction time 1 s, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, display and protection against sabotage, features: test button, hours and alarm, cover material plastic, operating temperature from -4 to 38 °C, operating humidity from 0 to 85 %, ingress protection IP20, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -19 % 41.02 € 50.90 €
Currently Unavailable
Order Code: XSEN26004
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Ajax MotionCam Black
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Ajax, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
  166.58 €
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Ordered on request
Order Code: AJAX20001
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X-Sense XC0C-iR Wi-Fi CO Detector
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 30 to 999 ppm, battery-powered, reaction time 1 s, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, display and protection against sabotage, features test button, hours and alarm, cover material plastic, operating temperature from 4,4 to 38 °C, operating humidity from 10 to 85 %, ingress protection IP20, mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -14 % 28.87 € 33.90 €
Currently Unavailable
Order Code: XSEN26005
3.0 1×
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EMOS GoSmart PIR sensor (motion sensor) with night light, Wi-Fi
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, range: lighting, application in English, Czech, German, Slovak, Hungarian and In Polish, power supply: Power plug,
  22.16 €
Buy
Ordered on request
Order Code: EMOS24145
 
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.
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