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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.at.

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7 reasons to shop for Detectors on Alza.at

  • 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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169 Results
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
32.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2415
4.6 14×
iGET SECURITY P14 - wireless smoke detector for iGET SECURITY M3B and M2B
Smoke Detector - battery-powered , reaction time 1 s, acoustic, visual signals, notifications via SMS, signal volume 85 dB, features: test button, cover material plastic, operating temperature from 5 to 50 °C, operating humidity from 20 to 90 %, compatible with iGet Home, standalone unit
19.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NU105z
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
Buy with code ALZADAYS10AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 26.91 €
Amazing Deal 29.90 €
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara26001
4.2
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
41.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Eve23_02
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
37.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RY211
4.0
AQARA Vibration Sensor T1 (VB-S01D)
Vibration Detector - detects Opening windows and doors, Fall and vibration gas, battery-powered, reaction time: 1s, compatible with Apple Home and Manufacturer app, battery indication and adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
17.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara25021
4.1 14×
IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0
Motion Sesnor , open system with detection motion and Light compatible with Apple Siri shortcuts, Tuya, Lidl Home, Smartlife, Nedis SmartLife, ETA SMART, Tesla Smart and Immax NEO PRO, range: lighting, security and home control, application in English, Czech, German, Slovak, Hungarian and In Polish, power supply: USB,
Amazing Deal 18.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX24071
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
81.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Airbi24001
AQARA Multi-State Sensor P100 Kit (VB-S03DW), white
Vibration Detector - detects Opening windows and doors, vibration and Angle gas, battery-powered, compatible with Apple Home, Google Home 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
Buy with code ALZADAYS10AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 26.91 €
Amazing Deal 29.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara26002
4.2 20×
Netatmo Smart Carbon Monoxide Alarm
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone unit, app language options: Czech and English , compatible with Android, Windows and iOS
88.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NetA_21_01
4.0 40×
Mi Door and Window Sensor 2
Door and Window Sensor - wireless, compatible with Xiaomi Home, connect via Bluetooth, integrated daylight sensor, central unit required, supported OS: Android and iOS, application in English
11.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Xi21_01
5.0
Shelly Gen4 Flood, flood sensor, Bluetooth
Water Leak Detector - detects Humidity and water gas, battery-powered, range: 2 m, sound level: 50dB, compatible with Apple Home, Google Home, Manufacturer app and Home Assistant, connect via WiFi 2,4 GHz and Bluetooth, battery indication, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android, Windows and iOS
36.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Shell25034
4.7 16×
FIBARO Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth with detection motion, Light and temperature, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
Discounted -18 % 56.90 € 69.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: FIBR01b
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
15.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Solight25092
3.3
EZVIZ Water leak sensor T10C
Water Leak Detector - detects Humidity and water gas, battery-powered, range: 200 m, compatible with Google Home and EZVIZ, connect via WiFi 2,4 GHz, battery indication, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
21.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EZVIZ23_04
3.7
EZVIZ Smoke detector T4C
Smoke Detector - battery-powered , acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, features: test button and temporary shutdown, operating temperature from -10 to 55 °C, operating humidity up to 95 %, battery included, compatible with EZVIZ, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
39.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EZVIZ23_12
4.1 93×
TESLA Smart Sensor Temperature and Humidity Display
Sensor - on the wall and on the table, measures temperature and humidity, with a display, 2 AAA batteries, white colour, dimensions 61 × 61 × 23 mm (H×W×D)
Buy with code ALZADAYS10AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 10 % Rabatt mit dem Code ALZADAYS5AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 26.91 €
29.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tsl_22_28
4.3 11×
SwitchBot Water Leak Detector with Sensor Cable
Sensor - with an extended sensor length of 1 meter, detection of water level thresholds as low as 0.5 mm, loud alarm, notifications to your mobile phone via the SwitchBot app, sensor compatibility with Wi-Fi and Bluetooth, does not require assembly, IP67 waterproof, four types of alarm, works independently - no hub needed, with 2× AAA batteries (included), battery replacement once every 2 years
21.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SwBot2404
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
182.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air25001
4.0 18×
Gosund Intelligent Water Leak Sensor, Zigbee
Water Leak Detector - detects water gas, battery-powered, compatible with Tuya and Manufacturer app, central unit required to function,, app with Czech language support, app with Czech and English language support for Android
12.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: GoSnd32
4.9 10×
Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security and home control, application in English and German, power supply: Battery-Powered,
57.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Eve23_03
3.8 11×
iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0
Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya and Smartlife, standalone unit, app language options: Czech and English , compatible with Android and iOS
32.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iQ21TECH144
3.7
IMMAX NEO Smart 3in1 PIR, occupancy and light sensor, Zigbee 3.0
Sensor - 3in1 PIR sensor, presence and lighting, Zigbee 3.0 (Tuya) is a smart device, which combines motion detection (PIR), monitoring the presence of people and measuring light levels, power supply via USB C connector, thanks to Zigbee communication, it easily connects to the Tuya smart home, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, Apple Siri shortcuts and further with TUYA systems, LIDL, ideal for smart lights, alarms or optimising energy consumption
Buy with code ALZADAYS30AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 30 % Rabatt mit dem Code ALZADAYS30AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 25.83 €
Amazing Deal 36.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: IMMX25027
5.0
Nous E2 Zigbee Smart PIR motion sensor
Motion Sesnor , open system with detection motion compatible with Tuya and Manufacturer app, range: lighting and security, application in English and Slovak, power supply: Battery-Powered,
18.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NOUSmh006
 

Detectors

Detectors

In the category Detectors on Alza.at, we currently have a total of 169 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
P-DC1-WEB05

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