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

frient Water Leak Probe Sensor

549,-

In stock 3 pcs at the supplier's

Water Leak Detector - detects Water gas, battery-powered, compatible with Samsung SmartThings, Home Assistant and Homey, central unit required to function,, app with Czech language...

Added to cart

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ELEKTROBOCK Air Quality Sensor SN121-AN

2,489,-

Unsealed - in stock 1 pcs

Air Quality Meter - detects CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 50 ppm, gas detection sensitivity 1 ppm, temperature measurement from 0 to 50...

Added to cart

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EMOS PIR senzor (pohybové čidlo), IP65, 2000 W, černý

399,-

In stock > 10 pcs at the supplier's

2 colors

Motion Sesnor with detection motion, range: lighting, power supply: Power plug,

Added to cart

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BOT Smart Water Leak Sensor Zigbee ZWL2

379,-

In stock > 10 pcs at the supplier's

Buy with code ALZADNY10 341,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky.

Water Leak Detector - detects Water gas, battery-powered, range: 50 m, sound level: 90dB, compatible with Tuya, central unit required to function,, app with Czech language support,...

Added to cart

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SAFE Motion Guard Outdoor, white

4,991,-

In stock > 5 pcs

Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech and German,...

Added to cart

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SAFE Dry Relay

849,-

In stock 2 pcs

Smart Module - wireless relay for switching external devices, 1× NO/NC relay (0-36 V DC, max. 5 A), 1× sabotage input, encrypted communication 868.0-868.6 MHz (AES128),...

Added to cart

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SAFE Glass Guard, white

1,199,-

In stock > 5 pcs

Sensor - wireless glass breakage detector for security of glazed surfaces equipped with two NC inputs, Multi-factor glass breakage detection with the possibility of remote...

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SAFE Motion Guard Plus, white

1,599,-

In stock > 5 pcs

Sensor - wireless dual PIR motion detector with microwave sensor detecting motion up to 12 meters, which is able to reliably ignore the movement of animals in the guarded area (PET...

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SAFE Water Guard, white

999,-

In stock > 5 pcs

Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white

Added to cart

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Smoot Air Presence Chytrý senzor přítomnosti

459,- New 490,-

Unsealed - in stock 1 pcs

Sensor

Added to cart

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frient Motion Sensor 2 Pet

1,049,-

In stock > 5 pcs at the supplier's

Motion Sesnor , open system with detection motion, Lights and temperature, range: lighting, security, windows, doors, gates and home control, application in English, power supply:...

Added to cart

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Honeywell XS100-CSSK-A, Smart X-Series Smoke Detector (Optical), Alarm Scan App, Battery-Powered

929,-

Unsealed - in stock 4 pcs

Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, standalone unit

Added to cart

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3 variants

Water Leak Detector - detects temperature and Water gas, battery-powered, connect via Bluetooth, standalone functional unit,, app with Czech language support, app with Czech and...

Added to cart

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Somfy Door and window sensor

2×

2,499,-

In stock 1 pcs

Door and Window Sensor -, compatible with Manufacturer app, connect via Radio frequency, range of 200m, separately functional unit, supported OS: Android and iOS

Added to cart

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Somfy Interior motion sensor for Tahoma control unit

3,079,-

In stock 1 pcs

Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with TaHoma, range: lighting, security and windows, doors, gates, power supply:...

Added to cart

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EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren

1×

1,289,-

In stock 3 pcs

Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English

Added to cart

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HEATIT Z-Smoke Multisensor 230VAC White, Z-Wave smoke sensor

3,959,-

In stock 1 pcs

Add AlzaPlus+ and save instantly 3,167,-

Smoke Detector - detects motion, temperature, mains power supply, detection reach 100 m, acoustic signals, signal volume 85 dB, features: test button and alarm, cover material...

Added to cart

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Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor

15×

5,139,- New 5,699,-

Unsealed - in stock 1 pcs

Add AlzaPlus+ and save instantly 4,111,-

Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation...

Added to cart

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Airthings Wave Enhance

2×

3,279,- New 3,899,-

As good as new - in stock 1 pcs

Add AlzaPlus+ and save instantly 2,623,-

Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), CO₂ (carbon dioxide), noise, battery-powered, visual signals, notifications via...

Added to cart

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Airbi CO2AIR digital carbon dioxide meter

21×

1,969,-

Unsealed - in stock 2 pcs

Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit

Added to cart

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3 variants

Motion Sesnor , connect through WiFi 2,4 GHz and Bluetooth with detection motion, Lights and temperature, range: security, application in English, Czech, German and Slovak, power...

Added to cart

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BOT Smart carbon dioxide detector WiFi CO2

17×

1,439,-

In stock > 5 pcs at the supplier's

Buy with code ALZADNY10 1,295,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky.

Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, mains power supply, acoustic, visual signals, notifications via...

Added to cart

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Bentech C999 Carbon Monoxide Autonomous Fire Detector

16×

349,-

In stock > 10 pcs at the supplier's

Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating...

Added to cart

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Fireman fire alarm and smoke detector JB-S01

11×

197,-

In stock > 10 pcs at the supplier's

Smoke Detector - battery-powered , acoustic signals, signal volume 90 dB, features: test button, operating temperature from 0 to 40 °C, operating humidity from 30 to 90 %, battery...

Added to cart

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In the category Detectors on Alza.cz, we currently have a total of 410 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. Continue

Detectors

7 reasons to shop for Detectors on Alza.cz

What to consider when choosing Detectors?

Make your selection easier. Click through our pre-made filters for the category: Detectors

Cheapest vs. most expensive Detectors

Detectors – main types

Detectors – proved brands

No longer sold

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