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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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309 Results
WiZ Contact sensor
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
27.90 €
Buy
In stock 3 pcs
Order Code: WiZ25001
3.7 24×
iGET SECURITY EP1 - wireless PIR motion sensor for iGET M5-4G alarm
Detector PIR motion sensor for iGET SECURITY M5 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. Special magnetic holder for attachment containing trigger.
-21 % off new 19.90 € New 25.21 €
Buy
Unsealed - in stock 1 pcs
Order Code: iGt21015
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 50.90 € New 58.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: SAFEH123
5.0
Solight CO flue gas detector, 85 dB
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 50 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication and display, features alarm, cover material plastic, operating temperature from 5 to 40 °C, operating humidity from 20 to 90 %, ingress protection IP20, battery included, standalone unit
-6 % off new 14.90 € New 15.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Solight25092
4.7 17×
Solight Wireless motion detector/gong
Detector volume 65 - 80 dB(A), signal range max. 40m without obstacles, operational range of motion detection 0-8m, angle of view 15° vertically, angle of view 100° horizontally, 36 adjustable melodies, 3D rotatable sensor stand, wall mounting holes, receiver power supply AC 230V~50Hz, sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
16.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Solight23_17
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.
-24 % off new 21.90 € New 28.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: iGt21020
4.9 59×
Elektrobock CN20
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 6m
-5 % off new 6.69 € New 7.09 €
Buy
Unsealed - in stock 1 pcs
Order Code: ELBOCK061
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
-30 % off new 54.90 € New 79.20 €
Buy
Unsealed - in stock 3 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
-30 % off new 54.90 € New 79.20 €
Buy
As good as new - in stock 1 pcs
Order Code: FIBR01f
4.6
Meross Smart Presence Sensor
Sensor - dual detection technology, accurate presence detection even without motion, range up to 12 m, intelligent lighting automation, minimising false alarms, HomeKit compatibility, Alexa, Google Home and Matter, stable and secure connection, continuous cable power supply, adjustable base, protective shield against pet detection, mounting bracket included
Buy with code ALZADNI20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky. 30.32 €
-9 % off new 37.90 € New 41.90 €
Buy
Unsealed - in stock 2 pcs
Order Code: Mer2415
4.8 26×
Tesla Smart Water Sensor
Water Leak Detector - detects water gas, battery-powered, range: 50 m, compatible with Tuya, Smartlife and Tesla Smart, connection via radio waves, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
-25 % off new 20.90 € New 27.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Tsl_22_29
4.7 17×
Tesla Smart Gas Sensor
Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating temperature from 0 to 55 °C,, ingress protection IP20, input voltage 12 V, power adapter and mounting kit included, compatible with Tuya, Smartlife and Tesla Smart, requires a central hub, app language options: Czech and English , compatible with Android and iOS
-3 % off new 25.90 € New 26.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Tsl_22_30
3.5
Sonoff PIR3-RF Small 433MHz RF PIR3 Motion Sensor
Sensor - movement, a bridge is necessary to function, the angle of view: 100°, two modes, range: 8 m, connection: radio waves, colour: white
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. 11.61 €
-13 % off new 12.90 € New 14.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: SNF21a054
3.8 24×
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi
Smoke Detector - detects gas, measurement range from 50 to 300 ppm, battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, compatible with Tuya, standalone unit, app language options: Czech and English , compatible with Android and iOS
-4 % off new 39.90 € New 41.72 €
Buy
Unsealed - in stock 1 pcs
Order Code: iQ21TECH134
5.0
SAFE - CO detector SAFE 10YDCO-PRO
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication, operating temperature from -10 to 55 °C, operating humidity from 5 to 95 %, input voltage 3V, standalone unit
-7 % off new 38.90 € New 41.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: SAFEH300
4.6
Elektrobock IR22A Classic
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 10m, adjustable sensitivity, independently functional unit
12.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: ELBOCK031
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
-20 % off new 82.90 € New 104.08 €
Buy
Unsealed - in stock 1 pcs
Order Code: EMOS24070
AQARA Multi-State Sensor P100 Kit (VB-S03D), grey
Vibration Detector - detects Opening windows and doors, vibration and Angle gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings and Aqara Home, connection via radio waves, adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
31.90 €
Buy
In stock 3 pcs
Order Code: Aqara26001
3.6
Meross Smart Water Leak Sensor
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60 dB alarm, Meross Hub central unit is required for sensor functionality
Buy with code ALZADNI20 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky. 16.72 €
-19 % off new 20.90 € New 25.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: Mer24_14
4.7
Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated
Temperature Sensor - interconnected fire detector, battery powered
-14 % off new 28.90 € New 33.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: HNW22_03
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
-10 % off new 51.90 € New 57.90 €
Buy
Unsealed - in stock 2 pcs
Order Code: KIDhob008
SAFE Water Guard, white
Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
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. 37.71 €
New arrival 41.90 €
Buy
In stock 2 pcs
Order Code: SAFEH26005
Nedis Miniature Smoke Detector DTCTSL40WT
Smoke Detector - acoustic signals, signal volume 85 dB, features: alarm, cover material plastic, operating temperature from -10 to 50 °C, standalone unit
34.90 €
Buy
In stock 1 pcs
Order Code: BEFlist0018
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.
159.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home22_37
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Detectors

Detectors

In the category Detectors on Alza.sk, we currently have a total of 309 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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