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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.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).
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  • 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
 
367 Results
SAFE FireSafe 10Y30-RF wirelessly connectable fire detector - Smoke Detector
SAFE FireSafe 10Y30-RF wirelessly connectable fire detector
Smoke Detector - detects dust particles, battery-powered , detection reach 1000 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity from 5 to 95 %, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
New arrival 790,-
Buy
In stock > 5 pcs at the supplier's
Order Code: SAHhob011
Hütermann Portable carbon monoxide detector with alarm - Gas Leak Detector
Hütermann Portable carbon monoxide detector with alarm
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, detection reach 1 m, acoustic, visual signals, signal volume 85 dB, display, features alarm, operating temperature to 40 °C, operating humidity from 15 to 90 %, standalone unit
618,-
Buy
In stock 3 pcs at the supplier's
Order Code: EMPlist0129
Ajax GlassProtect (8EU) ASP black - Vibration Detector
2 colors
Ajax GlassProtect (8EU) ASP black
Vibration Detector - detects vibration gas, battery-powered, compatible with Ajax and Manufacturer app, connection via radio waves, battery indication, adjustable sensitivity and protection against sabotage, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
1,676,-
Buy
In stock > 5 pcs at the supplier's
Order Code: AJAX25009
Hütermann Gas leak detector G10 - Gas Leak Detector
Hütermann Gas leak detector G10
Gas Leak Detector - mains power supply, acoustic signals, signal volume 85 dB, features alarm, operating temperature to 55 °C, operating humidity up to 95 %, standalone unit
599,-
Buy
In stock 1 pcs at the supplier's
Order Code: EMPlist0132
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,
599,-
Buy
In stock 4 pcs at the supplier's
Order Code: TLR24002
Homematic IP with brightness sensor outdoor, anthracite - Motion Sesnor
2 colors
Homematic IP with brightness sensor outdoor, anthracite
Motion Sesnor , connect through Radio frequency, closed system with detection motion and Light compatible with Manufacturer app, range: lighting and security, application in English, Czech and German, power supply: Battery-Powered,
3,590,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home24002
SAFE FireSafe 10YDCO-RF Wirelessly connectable carbon monoxide (CO) detector - Gas Leak Detector
SAFE FireSafe 10YDCO-RF Wirelessly connectable carbon monoxide (CO) detector
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, features alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity from 5 to 95 %, battery and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
New arrival 1,390,-
Buy
In stock > 5 pcs at the supplier's
Order Code: SAHhob012
Homematic IP PIR motion detector with brightness sensor - outdoor, anthracite - HmIP-SMO-A-2 - Motion Sesnor
Homematic IP PIR motion detector with brightness sensor - outdoor, anthracite - HmIP-SMO-A-2
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
2,090,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home22_26
Kruger&Matz KM2260 Carbon monoxide detector Connect S10 Tuya PN-EN50921 - Gas Leak Detector
Kruger&Matz KM2260 Carbon monoxide detector Connect S10 Tuya PN-EN50921
Gas Leak Detector - measurement range from 50 to 300 ppm, battery-powered, detection reach 3 m, acoustic signals, notifications via push notifications, signal volume 85 dB, features test button, cover material plastic, standalone unit
695,-
Buy
In stock 3 pcs at the supplier's
Order Code: WSaaa5735
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,
798,-
Buy
In stock > 5 pcs at the supplier's
Order Code: HOMEaaa1419
Ajax WaterStop [1/2] (8EU) black - Remote controlled water shut-off valve (1/2") - Water Leak Detector
Ajax WaterStop [1/2] (8EU) black - Remote controlled water shut-off valve (1/2")
Water Leak Detector - detects Humidity and water gas, battery-powered, range: 1100 m, reaction time: 5s, compatible with Ajax, connection via radio waves, protection against sabotage, standalone functional unit,, app with Czech language support for Android, Windows and iOS
6,194,-
Buy
In stock > 5 pcs at the supplier's
Order Code: AJAX23_023
SAFE Wireless flammable and explosive gas detector 5YGAS-RF - Gas Leak Detector
SAFE Wireless flammable and explosive gas detector 5YGAS-RF
Gas Leak Detector - detects natural gas, mains power supply, detection reach 1000 m, acoustic, visual signals, signal volume 85 dB, features alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity from 5 to 95 %, power adapter and mounting kit included, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
New arrival 1,390,-
Buy
In stock > 5 pcs at the supplier's
Order Code: SAHhob014
iNELS RFMD-100 Motion detector - Motion Sesnor
iNELS RFMD-100 Motion detector
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: lighting, electrical installation and home control, application in English, Czech and Slovak, power supply: Battery-Powered,
1,840,-
Buy
In stock > 5 pcs at the supplier's
Order Code: INEdet005
iNELS RFMD-200 Wireless motion detector - Motion Sesnor
iNELS RFMD-200 Wireless motion detector
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: lighting, electrical installation and home control, application in English, Czech and Slovak, power supply: Battery-Powered,
1,840,-
Buy
In stock > 5 pcs at the supplier's
Order Code: INEdet006
iNELS RFSF-100 Flood detector - Water Leak Detector
iNELS RFSF-100 Flood detector
Water Leak Detector - detects water gas, battery-powered, range: 160 m, reaction time: 2s, compatible with Manufacturer app, 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
1,784,-
Buy
In stock > 5 pcs at the supplier's
Order Code: INEdet004
Homematic IP Tilt and vibration sensor - Sensor
Homematic IP Tilt and vibration sensor
Sensor - tilt and vibration sensor, closed system, central unit operation, Android OS + iOS, mobile notifications
2,090,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home24003
SAFE Wireless temperature detector 10YHT-RF - Temperature Sensor
SAFE Wireless temperature detector 10YHT-RF
Temperature Sensor
New arrival 790,-
Buy
In stock > 5 pcs at the supplier's
Order Code: SAHhob013
Homematic IP with brightness sensor, outdoor, white - Motion Sesnor
2 colors
Homematic IP with brightness sensor, outdoor, white
Motion Sesnor , connect through Radio frequency, closed system with detection motion and Light compatible with Manufacturer app, range: lighting and security, application in English, Czech and German, power supply: Power plug,
3,490,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home24001
PIR motion detector - for 55 mm frame, indoor, anthracite - HmIP-SMI55-A - Motion Sesnor
PIR motion detector - for 55 mm frame, indoor, anthracite - HmIP-SMI55-A
Motion Sesnor , connect through Radio frequency, closed system with detection motion, range: lighting, security and home control, application in English, Czech and German, power supply: Battery-Powered,
1,830,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home23_40
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,
3,724,-
Buy
In stock 1 pcs at the supplier's
Order Code: MDTT24289
MDT Technologies KNX occupancy sensor 360° L2 IP44, matt white - Sensor
MDT Technologies KNX occupancy sensor 360° L2 IP44, matt white
Sensor - occupancy detector with IP44 protection and 2 sensors, version for installation in hollow ceilings, pure white gloss, 2 sensors, ceiling installation
4,596,-
Buy
In stock 2 pcs at the supplier's
Order Code: MDTT24311
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
4,862,-
Buy
In stock 2 pcs at the supplier's
Order Code: MDTT24312
MDT Technologies KNX occupancy sensor 360°, 4 Pyro, brightness measurement, matt white - Sensor
MDT Technologies KNX occupancy sensor 360°, 4 Pyro, brightness measurement, matt white
Sensor - The MDT presence detector is available in several versions, up to 4 pyrosensors and a high-resolution lens, white, ceiling, Channel Hkl, Range 16 m, max. range (Ø) presence 8m
5,158,-
Buy
In stock 2 pcs at the supplier's
Order Code: MDTT24307
Netatmo Smart Smoke Alarm - Smoke Detector
4.4 46×
Netatmo Smart Smoke Alarm
Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
2,599,-
Buy
On the way > 5 pcs
Expected 22/07/2026
Order Code: NET007f
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.cz, we currently have a total of 370 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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