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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).
  • 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
 
354 Results
Ajax WaterStop [3/4] (8EU) white - Remote controlled water shut-off valve (3/4") - Water Leak Detector
Ajax WaterStop [3/4] (8EU) white - Remote controlled water shut-off valve (3/4")
Water Leak Detector - detects Humidity and water gas, battery-powered, range: 1,1 m, reaction time: 5s, compatible with Ajax, connection via radio waves, protection against sabotage, central unit required to function,, app with Czech language support for Android, Windows and iOS
6,989,-
Buy
In stock 2 pcs at the supplier's
Order Code: AJAX23_028
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
348,-
Buy
In stock 3 pcs at the supplier's
Order Code: EMPlist0131
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
Discounted -4 % 689,- 719,-
Buy
In stock 4 pcs at the supplier's
Order Code: EMPlist0132
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
Dahua DHI-HY-SA2FA - Smoke Detector
Dahua DHI-HY-SA2FA
Smoke Detector - battery-powered , detection reach 40 m, reaction time 10 s, acoustic signals, signal volume 85 dB, battery indication, features: test button, temporary shutdown and alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity from 0 to 95 %, ingress protection IP30, input voltage 3V, battery and mounting kit included, standalone unit
599,-
Buy
In stock 2 pcs at the supplier's
Order Code: DAHUdete010
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,
679,-
Buy
In stock > 5 pcs at the supplier's
Order Code: HOMEaaa1419
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
Dahua DHI-HY-HT10A-R8 - Detector
Dahua DHI-HY-HT10A-R8
Detector - heat detector, wireless, 54-65°C, 24 devices, 10 years battery life, IR remote control, 85dB, A1, ceiling mounting, white
549,-
Buy
In stock 2 pcs at the supplier's
Order Code: DAHUdete008
Dahua DHI-HY-GC20C - Gas Leak Detector
Dahua DHI-HY-GC20C
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 50 to 300 ppm, battery-powered, detection reach 40 m, reaction time 10 s, acoustic signals, signal volume 85 dB, battery indication and display, features test button and alarm, cover material plastic, operating temperature from -10 to 40 °C,, ingress protection IP30, input voltage 3V, battery and mounting kit included, standalone unit
649,-
Buy
In stock 4 pcs at the supplier's
Order Code: DAHUdete005
Ajax MotionCam Outdoor (PhOD) Jeweller (8EU) ASP white (39293) - Motion Sesnor
Ajax MotionCam Outdoor (PhOD) Jeweller (8EU) ASP white (39293)
Motion Sesnor , connect through Radio frequency, closed system with detection motion and Human presence compatible with Ajax and Manufacturer app, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
10,419,-
Buy
In stock > 5 pcs at the supplier's
Order Code: AJAX25013
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
Dahua DHI-HY-GA20A - Gas Leak Detector
Dahua DHI-HY-GA20A
Gas Leak Detector - mains power supply, detection reach 40 m, reaction time 10 s, acoustic, visual signals, signal volume 70 dB, features test button, self-diagnostics and alarm, cover material plastic, operating temperature from -10 to 55 °C,, ingress protection IP30, input voltage 230 V, mounting kit included, standalone unit
619,-
Buy
In stock > 5 pcs at the supplier's
Order Code: DAHUdete006
Dahua DHI-HY-HT10A - Detector
Dahua DHI-HY-HT10A
Detector - heat detector, autonomous, thermistor, 54-65°C, 85dB, 10 years of battery life, ceiling mounting, white
449,-
Buy
In stock 2 pcs at the supplier's
Order Code: DAHUdete004
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
MDT Technologies Motion sensor 55 × 55 mm, illuminance measurement, matte black - Motion Sensor
MDT Technologies Motion sensor 55 × 55 mm, illuminance measurement, matte black
Motion Sensor - for lighting, Exterior and Interior,, reach of 5m, compatible with Manufacturer app, connection via Ethernet, night orientation light and adjustable sensitivity, independently functional unit
3,517,-
Buy
In stock 1 pcs at the supplier's
Order Code: MDTT24289
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
1,890,-
Buy
In stock 3 pcs at the supplier's
Order Code: SimS25001
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 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
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
MDT Technologies Motion sensor 55 × 55 mm, 2 buttons, temperature measurement, matte black - Motion Sensor
MDT Technologies Motion sensor 55 × 55 mm, 2 buttons, temperature measurement, matte black
Motion Sensor - Interior, mains supply, reach of 10m, compatible with Manufacturer app, connection via Ethernet, night orientation light and adjustable sensitivity, independently functional unit
4,199,-
Buy
In stock 1 pcs at the supplier's
Order Code: MDTT24292
MDT Technologies KNX occupancy sensor 360°, 3 Pyro, brightness measurement, matt white - Detection Sensor
MDT Technologies KNX occupancy sensor 360°, 3 Pyro, brightness measurement, matt white
Detection Sensor - The MDT presence detector is available in several versions, up to 4 pyrosensors and a high-resolution lens, white, ceiling installer, Channel Hkl, Reach 11m, max. range (Ø) presence 5m
4,536,-
Buy
In stock 2 pcs at the supplier's
Order Code: MDTT24306
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
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

Detectors

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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Detectors

In the category Detectors on Alza.cz, we currently have a total of 354 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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