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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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350 Results
4.9 27×
SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable
Sensor - protection against water damage in your home, Zigbee, email alerts, SMS or mobile phone notifications, on a CR2477 battery (battery not included), degree of protection IP67, Zigbee2MQTT and Home Assistant support, cable included for extended detection range
499,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNFa110
4.8 68×
TP-Link Tapo S200B, Smart button
Dimmers for controlling lights, electronics and other Tapo smart devices, adjustable actions, battery operation (1× CR2032)
499,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP22_37
4.3 15×
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,-
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG2
4.5 52×
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
529,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara23_005
4.6 13×
FireAngel ST 622 Fire and Smoke Detector
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: test button and temporary shutdown, operating temperature from 4 to 38 °C, operating humidity up to 90 %, standalone unit
699,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH136
4.7 29×
Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor)
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
1,099,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH129
4.1 11×
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
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: GARNI2403
4.8 37×
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
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP23_001
4.2 12×
Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %, battery-powered, visual signals, notifications via push notifications, battery indication, operating temperature from 4 to 40 °C, holder and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
2,049,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG1
4.9 10×
Kidde 10LLDCO CO Detector (Moisture Resistant)
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
1,529,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH123
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
Great price 4,449,- Save 50,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air25001
4.4 65×
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
719,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RY211
3.8 46×
Netatmo Smart Indoor Air Quality Monitor
Air Quality Meter - detects temperature, humidity, noise, measurement range from 0 to 5000 ppm, deviation 50 ppm, gas detection sensitivity 50 ppm, temperature measurement from 0 to 50 °C with accuracy 0.3 °C, humidity measurement with accuracy 3 %, mains power supply, visual signals, cover material metal, operating temperature from 0 to 50 °C,, ingress protection IP20, input voltage 5 V, power cable included, standalone unit, app language: English, compatible with Android and iOS
3,199,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NET001e
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
2,599,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NetA_21_01
3.7 24×
iGET SECURITY EP1 - wireless PIR motion sensor for iGET M5-4G alarm
Detector PIR motion sensor for iGET SECURITY M5 alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more. Special magnetic holder for attachment containing trigger.
619,-
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21015
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)
539,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tsl_22_28
3.9 27×
EVOLVEO WiFi SMOKE, smart smoke detector
Smoke Detector - battery-powered , detection reach 60 m, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: test button and temporary shutdown, operating temperature from -15 to 55 °C, operating humidity up to 95 %, battery and mounting kit included, compatible with Smartlife, standalone unit, app language options: Czech and English , compatible with Android and iOS
779,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO23_022
4.0 40×
Mi Door and Window Sensor 2
Door and Window Sensor - wireless, compatible with Xiaomi Home, connect via Bluetooth, integrated daylight sensor, separately functional unit, supported OS: Android and iOS, application in English
299,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Xi21_01
4.2 41×
SAFE 808 Combustible and Explosive Gas Detector - Natural Gas Detector
Gas Leak Detector - detects natural gas, propane-butane, measurement range to 2500 ppm, mains power supply, reaction time 20 s, acoustic, visual signals, signal volume 85 dB, features test button, self-diagnostics and alarm, cover material plastic, operating temperature from 0 to 50 °C, ingress protection IP30, input voltage 230 V, mounting kit included, standalone unit
649,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH148
4.7 16×
FIBARO Motion Sensor
Motion Sensor - for alarm, Interior, battery powered, input voltage: 3V, reach of 7m, connection via WiFi 2,4 GHz and Bluetooth, independently functional unit, application in Czech, applications in Czech and English for Android and iOS
1,699,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: FIBR01b
4.4 10×
Kidde 5DCO carbon monoxide leak detector
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
859,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH168
5.0 12×
Ajax MotionProtect White
Motion Sensor - for alarm, Interior, battery powered, input voltage: 3V, reach of 12m, compatible with Ajax, connection via radio waves, protection against sabotage, independently functional unit, application in Czech, applications in Czech and English for Android and iOS
2,113,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX5328
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
899,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Shell25034
4.7 48×
Elektrobock CN11 Mini
Motion Sensor - for lighting, Exterior, mains supply, input voltage: 230 V, reach of 12m, adjustable sensitivity, independently functional unit
199,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK034
 

Detectors

Detectors

In the category Detectors on Alza.cz, we currently have a total of 350 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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