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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417 Results
4.9 8×
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MOES CO Detector, Zigbee
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C,, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -24 % 759,- 999,-
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In stock
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Order Code: Moes22_37
4.8 73×
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TP-Link Tapo S200B, Smart button
Dimmers for controlling lights, electronics and other Tapo smart devices, adjustable actions, battery operation (1× CR2032)
  499,-
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In stock > 10 pcs
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Order Code: TP22_37
5.0 2×
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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
BLACK FRIDAY -10 % 809,- 899,-
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Order Code: Shell25034
4.4 9×
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Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating temperature to 40 °C, operating humidity up to 93 %, input voltage 3V, battery included, standalone unit
BLACK FRIDAY -10 % 1,033,- 1,148,-
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Order Code: HNW22_06
4.7 34×
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SONOFF SNZB-05P Zigbee Water Leak Sensor
Water Leak Detector - detects Water gas, battery-powered, range: 130 m, compatible with Samsung SmartThings, IFTTT and eWeLink, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  399,-
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In stock > 5 pcs
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Order Code: SNFa108
4.5 14×
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Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, detection reach 100 m, acoustic signals, signal volume 85 dB, features test button and alarm, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, input voltage 3V, battery included, standalone unit
BLACK FRIDAY -10 % 1,258,- 1,398,-
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Order Code: HNW22_02
4.7 48×
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AQARA Motion Sensor P1 (MS-S02)
Motion Sesnor , connect through Radio frequency, open system with detection motion and Lights compatible with Apple Home, IFTTT and Aqara Home, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
BLACK FRIDAY -15 % 492,- 579,-
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Order Code: Aqa22_05
4.7 19×
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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
BLACK FRIDAY -20 % 509,- 639,-
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Order Code: Tsl_22_30
4.7 92×
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TP-Link Tapo T100, Smart motion sensor
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Samsung SmartThings, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
  499,-
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In stock > 10 pcs
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Order Code: TP22_38
4.7 29×
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Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor)
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
  1,099,-
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In stock > 5 pcs
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Order Code: SAFEH129
4.5 22×
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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
  1,999,-
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In stock > 5 pcs
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Order Code: Airbi24001
4.8 27×
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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
BLACK FRIDAY -19 % 539,- 669,-
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Order Code: Tsl_22_29
4.8 29×
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Philips Hue Outdoor Motion Sensor + sleva 15 % s bridgem Philips Hue
Motion Sesnor , closed system with detection motion compatible with Apple Home and Philips Hue, power supply: Battery-Powered,
  1,549,-
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In stock > 5 pcs
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Order Code: PHL19021
4.9 13×
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Airthings Corentium Home (224 B/m3) - digital radon detector
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
  4,217,-
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In stock > 5 pcs
Order Code: Air21TNG4
4.0 17×
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IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0 + prodloužená záruka o 1 rok ZDARMA
Motion Sesnor , open system with detection motion and Lights 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,
BLACK FRIDAY -40 % 269,- 449,-
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Order Code: IMMX24071
4.6 57×
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AQARA Water Leak Sensor T1
Water Leak Detector - detects Water gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings, IFTTT and Aqara Home, connect via Bluetooth, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
BLACK FRIDAY -12 % 466,- 529,-
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In stock
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Order Code: Aqara23_005
5.0 1×
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X-Sense FS121 (12+1) Set of 12 XS01-M Wireless Smoke Detectors with SB550 Central Unit
Smoke Detector - temperature measurement from 4 to 38 °C, humidity measurement, battery-powered , detection reach 500 m, reaction time 1 s, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features: test button and alarm, cover material plastic, operating temperature from -4 to 38 °C, operating humidity from 0 to 85 %, ingress protection IP20, input voltage 3V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -14 % 5,999,- 6,999,-
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In stock
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Order Code: XSEN26009
4.1 11×
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GARNI 206 OneCare
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, temperature measurement from -9.9 to 50 °C with accuracy 1 °C, humidity measurement from 1 to 99 % with accuracy 5 %, mains + battery-powered, visual signals, display, features: hours and alarm clock, cover material plastic, standalone unit
  2,349,-
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In stock > 5 pcs
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Order Code: GARNI2403
4.4 16×
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Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 30 ppm, temperature measurement with accuracy 0.1 °C, humidity measurement with accuracy 1 %, battery-powered, visual signals, notifications via push notifications, battery indication, cover material plastic, operating temperature from 4 to 40 °C, operating humidity to 85 %, battery and mounting kit included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
  5,699,-
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In stock > 5 pcs
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Order Code: Air21TNG2
4.6 30×
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Emos GS558
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, operating temperature from 10 to 40 °C, operating humidity from 30 to 95 %, battery included, standalone unit
BLACK FRIDAY -22 % 459,- 589,-
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In stock
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Order Code: EMDET0002
4.2 38×
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RETLUX RDT 301
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 100 to 300 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic signals, signal volume 85 dB, display, features test button and alarm, operating temperature from 5 to 40 °C, operating humidity from 20 to 90 %, standalone unit
  649,-
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In stock > 5 pcs
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Order Code: RETDET003
4.2 29×
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SONOFF Zigbee Human Presence Sensor
Motion Sesnor , connect through Radio frequency, open system with detection motion and Human presence, range: lighting, power supply: Power plug,
BLACK FRIDAY -24 % 339,- 449,-
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In stock
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Order Code: Sonoff23_07
4.0 41×
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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
Amazing Deal 309,- Save 40,-
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In stock > 10 pcs
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Order Code: Xi21_01
4.8 38×
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TP-Link Tapo S200D
Dimmers - button to control the intelligent lighting, adjustable actions, multiple light control, can be fixed with screws, with double-sided tape or on any metal surface, battery (1× CR2032) with a lifetime of up to 1 year, does not work standalone - Tapo Smart Hub (H100) is required
  549,-
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In stock > 10 pcs
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Order Code: TP23_001
 
In the category Detectors on Alza.cz, we currently have a total of 417 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.
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