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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.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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347 Results
4.5
Watch Price/Availability
EVOLVEO wireless outdoor siren for Alarmex / Sonix
Siren - closed system, area of use: security, power supply: Power plug
  81.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: RY203f
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X-Sense SC07-MR RF Combined Smoke and CO Detector for SB550 Station
Smoke 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 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
New arrival 50.90 €
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In stock > 5 pcs at the supplier's
Order Code: XSEN26004
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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
New arrival 159.90 €
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In stock 2 pcs
Order Code: XSEN26008
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ELEKTROBOCK Air Quality Sensor SN121-AN
Air Quality Meter - detects CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 50 ppm, gas detection sensitivity 1 ppm, temperature measurement from 0 to 50 °C, humidity measurement with accuracy 5 %, mains power supply, reaction time 120 s, visual signals, battery indication, cover material plastic, operating temperature from 0 to 50 °C,, ingress protection IP20, input voltage 12 V and 48 V, standalone unit
New arrival 102.90 €
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In stock 2 pcs
Order Code: ELBOCK156
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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
-8 % off new 451.90 € New 494.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: ONDa26002
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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In stock 1 pcs
Order Code: FIBR01b
4.0 19×
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KIDDE 29HD Smoke Detector
Smoke Detector - acoustic, visual signals, signal volume 85 dB, standalone unit
  16.90 €
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In stock 2 pcs
Order Code: SAFEH153
4.6 16×
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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
  14.66 €
Buy
In stock > 10 pcs at the supplier's
Order Code: DEtOS328
4.0
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iGET SECURITY EP9 - wireless water sensor for iGET M5-4G alarm
Detector water detection sensor for iGET SECURITY M5 alarm. It is used for water detection in bathrooms, technical rooms, tanks, etc., wherever there is a risk of water flooding. As soon as the detection plate detects water, the transmitter informs the alarm. 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.
  20.90 €
Buy
In stock > 5 pcs at the supplier's
Order Code: iGt21017
5.0
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ERMENRICH Gas detector NG40 84092
Gas Leak Detector - measurement range from 0 to 10000 ppm, battery power, acoustic, optical signalling, battery status indication and display, reset and alarm functions, operating temperature from -20 to 50 °C, operating humidity up to 95%, degree of protection IP65, independently functional unit
  92.41 €
Buy
In stock > 5 pcs at the supplier's
Order Code: ERMpri09
4.7 20×
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CO-man Mini C11-L stand-alone carbon monoxide fire detector
Gas Leak Detector - detects CO (carbon monoxide), measurement range to 999 ppm, battery-powered, acoustic signals, signal volume 85 dB, battery indication and display, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 15 to 90 %, standalone unit
  23.91 €
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In stock > 10 pcs at the supplier's
Order Code: CPGdete03
4.0 17×
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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
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. 54.40 €
  60.44 €
Buy
In stock > 5 pcs at the supplier's
Order Code: HOMEaaa1849
5.0
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Ajax LeaksProtect White
Water Leak Detector - detects Water gas, battery-powered, range: 1300 m, reaction time: 0,15s, compatible with Ajax, connection via radio waves, protection against sabotage, central unit required to function, app with English language support for Android and iOS
  61.17 €
Buy
In stock 1 pcs at the supplier's
Order Code: AJAX8050
4.6
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IMMAX NEO Smart Occupancy Sensor, Zigbee 3.0
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz, open system with detection motion and Lights compatible with Apple Siri shortcuts, Tuya and Immax NEO PRO, range: lighting, electrical installation and security, application in English, Czech, German and Hungarian, power supply: Power plug and USB,
  42 €
Buy
In stock > 5 pcs at the supplier's
Order Code: IMXX2333
4.4
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Bentech Gasman LCD standalone fire alarm and gas leak detector
Gas Leak Detector - detects natural gas, propane-butane, mains power supply, detection reach 30 m, reaction time 20 s, acoustic signals, battery indication, features alarm, cover material plastic, operating humidity from 30 to 95 %, input voltage 230 V, standalone unit
  20.59 €
Buy
In stock > 10 pcs at the supplier's
Order Code: WSaaa1545
5.0
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Ajax DoorProtect Plus Black
Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, deviation angle adjustment and protection against sabotage, range of 1000m, central unit required, supported OS: Android, Windows and iOS, application in English
  79.63 €
Buy
In stock 4 pcs at the supplier's
Order Code: AJAX9996
4.4 11×
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Fireman fire alarm and smoke detector JB-S01
Smoke Detector - battery-powered , acoustic signals, signal volume 90 dB, features: test button, operating temperature from 0 to 40 °C, operating humidity from 30 to 90 %, battery included, standalone unit
  8.28 €
Buy
In stock > 10 pcs at the supplier's
Order Code: CPGdete01
3.5
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Smoot Air Gas Sensor
Gas Leak Detector - detects natural gas, propane-butane, smoke, mains power supply, notifications via push notifications, battery indication and display, cover material plastic, compatible with Apple Siri shortcuts and Tuya, standalone unit, app language: Czech, compatible with Android and iOS
  37.40 €
Buy
In stock 2 pcs at the supplier's
Order Code: SMTphsnz8
4.8
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iGET SECURITY P2 - wired PIR motion detector for iGET SECURITY M3B and M2B
Motion Sesnor , connect through Radio frequency, open system with detection motion, range: security, power supply: Power plug,
  16.90 €
Buy
In stock > 10 pcs at the supplier's
Order Code: NU105d
3.8
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Xiaomi Mi Motion Sensor 2S
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Lights compatible with Xiaomi Home, range: lighting, security and home control, power supply: Battery-Powered,
  16.74 €
Buy
In stock > 10 pcs at the supplier's
Order Code: XI300l04
4.3
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Smoot Air Leak Pro
Water Leak Detector - detects Water gas, battery-powered, compatible with Apple Siri shortcuts and Tuya, connect via WiFi 2,4 GHz, battery indication, standalone functional unit,, app with Czech language support for Android and iOS
  18.87 €
Buy
In stock 3 pcs at the supplier's
Order Code: HLDdh19
5.0
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BOT Smart WiFi GS3
Gas Leak Detector - mains power supply, notifications via push notifications, signal volume 70 dB, cover material plastic, operating temperature from -10 to 50 °C, ingress protection IP20, input voltage 230 V, compatible with Tuya, standalone unit, 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. 21.51 €
  23.90 €
Buy
In stock > 10 pcs at the supplier's
Order Code: HOMEaaa1848
5.0
Watch Price/Availability
Fireman miniature fire alarm and smoke detector SeeSafe JB-S11
Smoke Detector - battery-powered , detection reach 60 m, acoustic signals, signal volume 90 dB, battery indication, features: test button, operating temperature from 0 to 40 °C, operating humidity from 30 to 90 %, battery and mounting kit included, standalone unit
  14.24 €
Buy
In stock > 10 pcs at the supplier's
Order Code: CPGdete02
4.3
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ERMENRICH Gas detector NG20 84091
Gas Leak Detector - detects CO (carbon monoxide), propane-butane, measurement range from 500 to 2000 ppm, battery-powered, acoustic, visual signals, standalone unit
  19.29 €
Buy
In stock > 10 pcs at the supplier's
Order Code: ERMpri07
 
In the category Detectors on Alza.sk, we currently have a total of 347 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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