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Newest orders

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.cz.

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7 reasons to shop for Detectors on Alza.cz

  • 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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373 Results
1.0
Nedis ALRMMW20WT
Motion Sensor - Exterior, battery powered, reach of 80m, sound volume: 85dB, independently functional unit
-30 % off new 379,- New 549,-
Buy
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HOMEaaa1203
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.
-59 % off new 1,559,- New 3,890,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home22_37
Honeywell Home Shut-off Valve L5 WiFi 1" and Leak Detector
Humidity Sensor - acoustic signalling, notifications via push notifications, cover material plastic, operating temperature up to 50 °C, input voltage 230 V, sensing cable in the package, independently functional unit, compatible with Android and iOS
6,007,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HONcid01
EVOLVEO SecuPro, wireless siren with solar power
Siren - closed system, area of use: security, power supply: Battery-Powered, Solar and USB
-44 % off new 489,- New 889,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO24013
EVOLVEO Alarmex Pro (ACSALMWTD) wireless flood detector
Water Leak Detector - detects water gas, battery-powered, range: 100 m, compatible with Manufacturer app, connection via radio waves, battery indication, standalone functional unit
-26 % off new 359,- New 489,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_11
Ajax MotionCam HDR, black
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
New arrival 5,248,-
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX26001
Empt Smart water leak detector with WiFi
Water Leak Detector - detects water gas, battery-powered, compatible with Tuya and Smartlife, connect via WiFi 2,4 GHz, standalone functional unit,, app with Czech language support for Android and iOS
Buy with code ALZADNY5 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 5 % s kódem ALZADNY5. Klikněte a kód se uplatní automaticky. 626,-
New arrival 659,-
Buy
In stock 5 pcs at the supplier's
Order Code: EMPlist0213
Ajax MotionCam HDR, white
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
New arrival 5,248,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX26002
Hütermann Water flood minialarm - water leak detector - flood moisture sensor
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, standalone functional unit
429,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMPlist0131
Aptel Wireless motion sensor 9V white - 3 m range
Motion Sensor - Interior,, a central unit is required to function
-60 % off new 239,- New 609,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HOMEaaa0788
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
1,289,-
Buy
In stock 4 pcs
Order Code: EVO22_04
HEATIT Z-Smoke Multisensor 230VAC White, Z-Wave smoke sensor
Smoke Detector - detects motion, temperature, mains power supply, detection reach 100 m, acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating temperature from 0 to 50 °C, operating humidity from 0 to 85 %, ingress protection IP20, input voltage 230 V, requires a central hub, compatible with Android, Windows and iOS
3,959,-
Buy
In stock 1 pcs
Order Code: HEA23_14
4.8 18×
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
-14 % off new 1,719,- New 1,999,-
Buy
Unsealed - in stock 2 pcs
Order Code: Airbi24001
4.9 10×
Kidde 10LLDCO CO Detector (Moisture Resistant)
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
-13 % off new 1,329,- New 1,529,-
Buy
Unsealed - in stock 1 pcs
Order Code: SAFEH123
4.2 12×
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
-5 % off new 1,929,- New 2,049,-
Buy
Unsealed - in stock 1 pcs
Order Code: Air21TNG1
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
-28 % off new 1,359,- New 1,889,-
Buy
Unsealed - in stock 1 pcs
Order Code: FIBR01f
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
-31 % off new 1,299,- New 1,889,-
Buy
As good as new - in stock 1 pcs
Order Code: FIBR01f
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
Buy with code ALZADNY15 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky. 1,946,-
-8 % off new 2,289,- New 2,490,-
Buy
Unsealed - in stock 1 pcs
Order Code: EMOS24070
KIDDE Combination smoke detector KIDDE-K10SCO
Smoke Detector - detects CO (carbon monoxide), measurement range from 0 ppm, battery-powered , acoustic signals, signal volume 85 dB, battery indication, cover material plastic, operating temperature from 0 to 40 °C, operating humidity from 10 to 90 %, standalone unit
-14 % off new 1,099,- New 1,290,-
Buy
Unsealed - in stock 1 pcs
Order Code: KIDhob008
4.4 67×
EVOLVEO Defender D5
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication and display, features test button and self-diagnostics, mounting kit included, standalone unit
719,-
Buy
In stock > 5 pcs
Order Code: RY211
4.5
Niceboy ION ORBIS Water Sensor
Water Leak Detector - detects water gas,, compatible with Niceboy ION, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
-50 % off new 249,- New 499,-
Buy
Unsealed - in stock 1 pcs
Order Code: NCB23_008
4.7 55×
Emos GS536
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, operating temperature from 0 to 40 °C, operating humidity from 5 to 95 %, battery included, standalone unit
199,-
Buy
In stock > 10 pcs at the supplier's
Order Code: EMDET0001
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
349,-
Buy
In stock > 10 pcs at the supplier's
Order Code: DEtOS328
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
1,439,-
Buy
In stock > 5 pcs at the supplier's
Order Code: HOMEaaa1849
 

Detectors

Detectors

In the category Detectors on Alza.cz, we currently have a total of 373 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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