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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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Smoke Detectors & Fire Alarms Smoke & Fire Gas Detectors Gas Water Leak Detectors Water Motion Sensors Motion Vibration Detectors Vibration Smart Home Sensors & Detectors Smart Cable Detectors Power Line Metal Detectors Metal Smart Air Quality Meters Smart Air Quality Meters Accessories for Detectors and Sensors Accessories
 
319 Results
Smoot Air Motion - Motion Sesnor
1.0 2×
Smoot Air Motion
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Apple Siri shortcuts and Tuya, range: lighting and security, application in Czech, power supply: Battery-Powered,
20.51 €
Buy
In stock 2 pcs at the supplier's
Order Code: HLDdh18
SIGNIFY 17476/87/PN Virginia outdoor PIR motion sensor IP44, grey - Motion Sesnor
SIGNIFY 17476/87/PN Virginia outdoor PIR motion sensor IP44, grey
Motion Sesnor with detection motion compatible with Manufacturer app, range: security,
28.44 €
Buy
In stock > 5 pcs at the supplier's
Order Code: HOMEaaa1419
EVOLVEO Alarmex Pro (ACSALMWTD) wireless flood detector - Water Leak Detector
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
19.90 €
Buy
In stock 1 pcs at the supplier's
Order Code: EVO22_11
Smoot ZigBee Leak Pro - Water Leak Detector
Smoot ZigBee Leak Pro
Water Leak Detector - detects water gas, battery-powered, compatible with Apple Siri shortcuts and Tuya, connect via WiFi 2,4 GHz and WiFi 5 GHz, battery indication, central unit required to function,, app with Czech language support for Android and iOS
33.06 €
Buy
In stock > 5 pcs at the supplier's
Order Code: SMTphsnz5
Hütermann Water flood minialarm - water leak detector - flood moisture sensor - Water Leak Detector
Hütermann Water flood minialarm - water leak detector - flood moisture sensor
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, standalone functional unit
14.56 €
Buy
In stock > 10 pcs at the supplier's
Order Code: EMPlist0131
BOT Smart Vibration Sensor VB1 Zigbee - Vibration Detector
BOT Smart Vibration Sensor VB1 Zigbee
Vibration Detector - detects vibration gas, battery-powered, range: 30 m, compatible with Tuya and Smartlife, connect via WiFi 2,4 GHz and WiFi 5 GHz, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
28.42 €
Buy
In stock > 5 pcs at the supplier's
Order Code: BOTdet009
Tellur WiFi Smart occupancy sensor, 2.4GHz radar sensor, USB-C, white - Motion Sesnor
Tellur WiFi Smart occupancy sensor, 2.4GHz radar sensor, USB-C, white
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Manufacturer app, range: security, power supply: USB,
25.07 €
Buy
In stock 4 pcs at the supplier's
Order Code: TLR24002
Hütermann Fire detector and smoke detector - Smoke Detector
Hütermann Fire detector and smoke detector
Smoke Detector - battery-powered , detection reach 3 m, acoustic signals, signal volume 85 dB, battery indication, features: alarm, operating temperature from 0 to 50 °C, operating humidity from 10 to 90 %, standalone unit
12.09 €
Buy
In stock 3 pcs at the supplier's
Order Code: EMPlist0128
MDT Technologies KNX occupancy sensor 360° L3, temperature measurement, matt white - Sensor
MDT Technologies KNX occupancy sensor 360° L3, temperature measurement, matt white
Sensor - Occupancy detector with 3 sensors, temperature sensor and integrated white LED orientation light, version for installation in hollow ceilings, temperature sensor, 3 sensors, ceiling installation
201.48 €
Buy
In stock 2 pcs at the supplier's
Order Code: MDTT24312
Siemens Connected Home water leak detector SCH040ZB, ZigBee - Water Leak Detector
Siemens Connected Home water leak detector SCH040ZB, ZigBee
Water Leak Detector - detects water gas, battery-powered, reaction time: 2s, sound level: 60dB, compatible with Connected Home, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
79.11 €
Buy
In stock 3 pcs at the supplier's
Order Code: SimS25001
MDT Technologies Motion sensor 55 × 55 mm, illuminance measurement, matte black - Motion Sesnor
MDT Technologies Motion sensor 55 × 55 mm, illuminance measurement, matte black
Motion Sesnor , connect through Ethernet, open system with detection motion compatible with Manufacturer app, range: electrical installation and home control,
147.23 €
Buy
In stock 1 pcs at the supplier's
Order Code: MDTT24289
FIBARO Smoke Sensor - Smoke Detector
3 variants
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
61.90 €
Buy
On the way 1 pcs
Expected 29/06/2026
Order Code: FIBR01f
Eve Water Guard Connected Water Leak Detector - Cable Extension - Extension Cable
Eve Water Guard Connected Water Leak Detector - Cable Extension
Extension Cable -
Amazing Deal 19.90 € Save 5 €
Buy
On the way > 5 pcs
Expected 19/06/2026
Order Code: EVE1004
Ajax CombiProtect White - Motion Sesnor
5.0 4×
Ajax CombiProtect White
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Ajax and Manufacturer app, range: security, application in English and Czech, power supply: Battery-Powered,
118.98 €
Buy
Ordered on request
Order Code: AJAX7170
Eufy Security Water and Freeze Sensor - Water Leak Detector
5.0 3×
Eufy Security Water and Freeze Sensor
Water Leak Detector - detects water gas, battery-powered, range: 200 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, central unit required to function, app with English language support for Android and iOS
53.90 €
Buy
Ordered on request
Order Code: Anker24014
Nedis ZBDCO11WT - Gas Leak Detector
3.3 3×
Nedis ZBDCO11WT
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating temperature to 50 °C, battery included, compatible with Nedis SmartLife, standalone unit, compatible with Android and iOS
59.90 €
Buy
Ordered on request
Order Code: Nedis23_002
Imou gas sensor/detector ZGA1 - Gas Leak Detector
3.0 2×
Imou gas sensor/detector ZGA1
Gas Leak Detector - mains power supply, detection reach 200 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, features self-diagnostics, automatic scenarios and alarm, cover material plastic, power adapter and mounting kit included, requires a central hub, app language: English , compatible with Android and iOS
28.90 €
Buy
Ordered on request
Order Code: Imou23_40
EMOS GoSmart PIR sensor (motion sensor) with night light, Wi-Fi - Motion Sesnor
3.0 1×
EMOS GoSmart PIR sensor (motion sensor) with night light, Wi-Fi
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, range: lighting, application in English, Czech, German, Slovak, Hungarian and In Polish, power supply: Power plug,
22.14 €
Buy
Ordered on request
Order Code: EMOS24145
EMOS GoSmart Water Leak Detector P56000S, ZigBee - Water Leak Detector
EMOS GoSmart Water Leak Detector P56000S, ZigBee
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
28.01 €
Buy
Ordered on request
Order Code: EMOS24054
EMOS GoSmart PIR sensor (motion sensor), ZigBee - Motion Sesnor
5.0 1×
EMOS GoSmart PIR sensor (motion sensor), ZigBee
Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth, open system with detection motion compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, range: security, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
33.44 €
Buy
Ordered on request
Order Code: EMOS24055
EMOS Microwave sensor (motion sensor) IP20, 2000 W, 360°, mounted - Motion Sesnor
EMOS Microwave sensor (motion sensor) IP20, 2000 W, 360°, mounted
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
New arrival 17.96 €
Buy
Ordered on request
Order Code: EMOS26066
EMOS GoSmart PIR sensor (motion sensor) IP20, 60°, ZigBee - Motion Sesnor
EMOS GoSmart PIR sensor (motion sensor) IP20, 60°, ZigBee
Motion Sesnor , open system with detection motion compatible with Tuya, Lidl Home, Smartlife and EMOS GoSmart, range: lighting and security, application in English, Czech, German, Slovak, Hungarian, In Polish, In Spanish, In French and In Italian, power supply: Battery-Powered,
New arrival 20.05 €
Buy
Ordered on request
Order Code: EMOS26065
EMOS PIR sensor (motion sensor) IP20, 1200 W, 360°, built-in - Motion Sesnor
EMOS PIR sensor (motion sensor) IP20, 1200 W, 360°, built-in
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
New arrival 11.67 €
Buy
Ordered on request
Order Code: EMOS26063
EMOS Microwave sensor (motion sensor) IP20, 1200 W, 360°, built-in - Motion Sesnor
EMOS Microwave sensor (motion sensor) IP20, 1200 W, 360°, built-in
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
New arrival 20.05 €
Buy
Ordered on request
Order Code: EMOS26068
 
Smoke Detectors & Fire Alarms Smoke & Fire Gas Detectors Gas Water Leak Detectors Water Motion Sensors Motion Vibration Detectors Vibration Smart Home Sensors & Detectors Smart Cable Detectors Power Line Metal Detectors Metal Smart Air Quality Meters Smart Air Quality Meters Accessories for Detectors and Sensors Accessories
 

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In the category Detectors on Alza.sk, we currently have a total of 319 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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