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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428 Results
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
3.8 46×
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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,-
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In stock > 5 pcs
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Order Code: NET001e
4.0 5×
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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
  4,476,-
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In stock > 5 pcs
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Order Code: Air25001
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
5.0 1×
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Kidde Fire and Smoke Detector 10Y29
Smoke Detector - signal volume 85 dB, standalone unit
  599,-
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In stock 5 pcs
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Order Code: SAFEH177
4.4 10×
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Kidde 5DCO carbon monoxide leak detector
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
  849,-
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In stock > 5 pcs
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Order Code: SAFEH168
4.6 15×
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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
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Order Code: SAFEH136
5.0 7×
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Multifunctional digital CO detector FireAngel FA3322 with LCD display
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating temperature from 0 to 40 °C, operating humidity from 30 to 90 %, battery and mounting kit included, standalone unit
  1,369,-
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In stock > 5 pcs
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Order Code: SAFEH182
4.3 74×
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Elektrobock LM-102
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, cover material plastic, operating temperature from -10 to 40 °C, standalone unit
  from  169,-
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In stock > 10 pcs
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Order Code: ELBOCK021
4.9 60×
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Elektrobock CN20
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  189,-
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In stock > 10 pcs
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Order Code: ELBOCK061
3.9 8×
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GARNI 210T OneCare
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -10 to 50 °C with accuracy 0.8 °C, humidity measurement with accuracy 5 %, mains + battery-powered, acoustic, visual signals, battery indication and display, cover material plastic, power cable included, compatible with Tuya and Smartlife, standalone unit, compatible with Android and iOS
  2,489,-
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In stock > 5 pcs
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Order Code: GARNI19013
4.4 12×
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SwitchBot Water Leak Detector with Sensor Cable
Sensor - with an extended sensor length of 1 meter, detection of water level thresholds as low as 0.5 mm, loud alarm, notifications to your mobile phone via the SwitchBot app, sensor compatibility with Wi-Fi and Bluetooth, does not require assembly, IP67 waterproof, four types of alarm, works independently - no hub needed, with 2× AAA batteries (included), battery replacement once every 2 years
BLACK FRIDAY -26 % 449,- 609,-
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In stock
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Order Code: SwBot2404
4.3 10×
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IMMAX NEO Smart water leak sensor, Zigbee 3.0 + prodloužená záruka o 1 rok ZDARMA
Water Leak Detector - detects Water gas, battery-powered, range: 30 m, sound level: 120dB, compatible with Google Home, Tuya, Lidl Home and Immax NEO PRO, connect via WiFi 2,4 GHz and WiFi 5 GHz, 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 -40 % 299,- 499,-
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In stock
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Order Code: IMXX2314
4.2 13×
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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
  2,052,-
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In stock > 5 pcs
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Order Code: Air21TNG1
4.2 41×
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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
  599,-
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In stock > 10 pcs
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Order Code: SAFEH148
4.7 49×
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Elektrobock CN11 Mini
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  199,-
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In stock 2 pcs
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Order Code: ELBOCK034
4.0 5×
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Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi
Detector - Shelly GAS is a compact and highly sensitive CNG natural gas detector, bringing additional security for your home and family. Alarm: flashing LED & acoustic signal. Alarm sensitivity: 6% LEL, noise level: ?70dB. Smart switching: Yes. Local and remote control: Yes. Dimensions: 89.5mm x 89.5mm x 38mm. Connection not included. Mobile app available in Czech, Slovak, English and other languages.
  1,529,-
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In stock > 5 pcs
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Order Code: SHELLa0009
4.0 4×
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IMMAX NEO Smart 3in1 PIR, occupancy and light sensor, Zigbee 3.0 + prodloužená záruka o 1 rok ZDARMA
Sensor - 3in1 PIR sensor, presence and lighting, Zigbee 3.0 (Tuya) is a smart device, which combines motion detection (PIR), monitoring the presence of people and measuring light levels, power supply via USB C connector, thanks to Zigbee communication, it easily connects to the Tuya smart home, Immax NEO PRO app in Czech and 60 other languages compatible with iOS, Android, Apple Siri shortcuts and further with TUYA systems, LIDL, ideal for smart lights, alarms or optimising energy consumption
  699,-
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In stock > 5 pcs
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Order Code: IMMX25027
4.0 13×
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iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0
Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya and Smartlife, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  799,-
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In stock > 5 pcs
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Order Code: iQ21TECH144
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
  309,-
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In stock > 10 pcs
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Order Code: Xi21_01
4.7 3×
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Somfy Smoke sensor for TaHoma control units white
Smoke Detector - battery-powered , signal volume 85 dB, ingress protection IP20, input voltage 9 V, compatible with TaHoma, standalone unit, compatible with Android and Windows
  3,199,-
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In stock > 5 pcs
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Order Code: SOMF22_01
4.6 11×
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Elektrobock LX28B
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Great price 379,-
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In stock > 10 pcs
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Order Code: ELBOCK040
5.0 1×
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MOES Human Presence Sensor + Light Sensor, Zigbee
Motion Sesnor , open system with detection motion, range: security, power supply: USB,
BLACK FRIDAY -33 % 399,- 599,-
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In stock
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Order Code: Moes2505
4.7 6×
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Electrobock CN15F with 2 sensors
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Great price 369,-
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In stock > 10 pcs
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Order Code: ELBOCK143
In the category Detectors on Alza.cz, we currently have a total of 428 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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