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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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310 Results
4.3 15×
Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 30 ppm, temperature measurement with accuracy 0.1 °C, humidity measurement with accuracy 1 %, battery-powered, visual signals, notifications via push notifications, battery indication, cover material plastic, operating temperature from 4 to 40 °C, operating humidity to 85 %, battery and mounting kit included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
234.90 €
Buy
In stock 2 pcs
Order Code: Air21TNG2
4.7 16×
FIBARO Motion Sensor
Motion Sensor - for alarm, Interior, battery powered, input voltage: 3V, reach of 7m, connection via WiFi 2,4 GHz and Bluetooth, independently functional unit, application in Czech, applications in Czech and English for Android and iOS
77.90 €
Buy
In stock 5 pcs
Order Code: FIBR01b
5.0 12×
Ajax MotionProtect White
Motion Sensor - for alarm, Interior, battery powered, input voltage: 3V, reach of 12m, compatible with Ajax, connection via radio waves, protection against sabotage, independently functional unit, application in Czech, applications in Czech and English for Android and iOS
88.31 €
Buy
In stock 3 pcs
Order Code: AJAX5328
4.1
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 €
Buy
In stock 4 pcs
Order Code: FIBR01c
5.0 12×
Ajax MotionProtect Black
Motion Sensor - Interior, battery powered, input voltage: 3V, reach of 12m, compatible with Ajax, connection via radio waves, protection against sabotage, independently functional unit, application in English for Android and iOS
88.31 €
Buy
In stock 3 pcs
Order Code: AJAX5314
5.0
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 €
Buy
In stock 3 pcs
Order Code: Air22TNG2
4.2 11×
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
104.08 €
Buy
In stock > 5 pcs
Order Code: EMOS24070
5.0
Homematic IP Smoke detector HmIP-SWSD-2
Smoke Detector - battery-powered , detection reach 40 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: test button, cover material plastic, operating temperature from 5 to 30 °C, ingress protection IP20, input voltage 3V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Buy with code ALZADNI10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky. 59.09 €
65.65 €
Buy
In stock 1 pcs
Order Code: Home25001
4.6 15×
Combined Fire Detector and CO FireAngel SCB10
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic signals, battery indication, features alarm, cover material plastic, battery and mounting kit included, standalone unit
-14 % off new 47.90 € New 55.90 €
Buy
As good as new - in stock 1 pcs
Order Code: SAFEH139
4.0
Airthings Wave Enhance
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, battery-powered, visual signals, notifications via push notifications, features: memory, operating temperature from 0 to 45 °C, operating humidity from 5 to 95 %, battery included, standalone unit requires a central hub, compatible with Android and iOS
-10 % off new 138.90 € New 155.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Air24001
5.0
Eve Water Guard - Water Leak Detector - compatible with Thread
Water Leak Detector - detects water gas, mains power, sound level: 100dB, compatible with Apple Home, Apple Siri shortcuts and Samsung SmartThings, connect via Bluetooth, standalone functional unit, app with English language support for iOS
-16 % off new 99.90 € New 119.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Eve22_001
3.9 16×
BOT Smart carbon dioxide detector WiFi CO2
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, mains power supply, acoustic, visual signals, notifications via push notifications, signal volume 90 dB, display, features: hours, power cable included, compatible with Tuya and Smartlife, standalone unit requires a central hub, compatible with Android and iOS
-6 % off new 55.90 € New 60.07 €
Buy
Unsealed - in stock 1 pcs
Order Code: HOMEaaa1849
5.0
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.
-30 % off new 140.90 € New 203.90 €
Buy
Unsealed - in stock 2 pcs
Order Code: Air22TNG2
ONDILO ICO Pool V2, smart water monitor, salt disinfection
Sensor - water quality analysis, minimal maintenance, durable construction
-6 % off new 469.90 € New 499.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: ONDa24001
GARNI 204 OneCare
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -40 to 70 °C, humidity measurement from 1 to 99 %, mains + battery-powered, detection reach 100 m, acoustic, visual signals, battery indication and display, features: hours and alarm clock, power adapter and battery included, standalone unit
-39 % off new 70.90 € New 116.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: GARNI19014
1.0
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
-9 % off new 48.90 € New 53.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: EVO22_04
Homematic IP Smart Meter Interface
Sensor - interface for smart meters, closed system, operation via central unit, OS Android + iOS, mobile notifications
-10 % off new 88.90 € New 99.77 €
Buy
Unsealed - in stock 1 pcs
Order Code: Home24005
Homematic IP Rain Sensor - HmIP-SRD
Sensor The wireless rain sensor (HmIP-SRD) for outdoor use is part of the Homematic IP smart home system. The sensor with its high weather and weather protection offers a wide range of applications in conjunction with other Homematic IP devices. The device detects even the smallest amount of rain or snowfall and then transmits the information to the Central Unit (HmIP-HAP) and the connected Homematic IP devices, which react according to a predefined configuration.
-60 % off new 63.90 € New 159.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Home22_37
4.4 46×
Netatmo Smart Smoke Alarm
Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
150.04 €
Buy
In stock > 5 pcs at the supplier's
Order Code: NET007f
4.8 11×
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
176.04 €
Buy
In stock > 5 pcs at the supplier's
Order Code: Air21TNG4
4.5
Airthings Corentium Home 2 - Smart radon detector
Air Quality Meter - detects temperature, humidity, radon, battery-powered, visual signals, notifications via push notifications, display, operating temperature from 4 to 40 °C, operating humidity to 85 %, battery included, standalone unit requires a central hub
186.85 €
Buy
In stock 4 pcs at the supplier's
Order Code: Air25001
4.1 13×
iGET SECURITY EP17 - wireless PIR motion sensor without animal detection up to 20kg for iGET M5-4G a
Detector PIR motion sensor without animal detection for iGET SECURITY M5 alarm. It detects movement but does not detect animals up to 20 kg. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more. Special magnetic holder for attachment containing trigger.
28.90 €
Buy
In stock 5 pcs at the supplier's
Order Code: iGt21020
4.7 13×
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
79.20 €
Buy
In stock 2 pcs at the supplier's
Order Code: FIBR01f
4.7 15×
Bentech C999 Carbon Monoxide Autonomous Fire Detector
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating temperature from 5 to 40 °C, operating humidity from 20 to 90 %, standalone unit
14.57 €
Buy
In stock > 10 pcs at the supplier's
Order Code: DEtOS328
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Detectors

Detectors

In the category Detectors on Alza.sk, we currently have a total of 310 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
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