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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.sk.

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7 reasons to shop for Detectors on Alza.sk

  • 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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310 Results
4.6 14×
iGET SECURITY P14 - wireless smoke detector for iGET SECURITY M3B and M2B
Smoke Detector - battery-powered , reaction time 1 s, acoustic, visual signals, notifications via SMS, signal volume 85 dB, features: test button, cover material plastic, operating temperature from 5 to 50 °C, operating humidity from 20 to 90 %, compatible with iGet Home, standalone unit
20.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NU105z
4.5 17×
Elektrobock LM-218B
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 30 to 550 ppm, deviation 3 ppm, battery-powered, acoustic signals, signal volume 85 dB, battery indication, features test button and alarm, cover material plastic, operating temperature from -10 to 45 °C, operating humidity up to 93 %, ingress protection IP40, standalone unit
19.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK135
4.0 19×
KIDDE 29HD Smoke Detector
Smoke Detector - acoustic, visual signals, signal volume 85 dB, standalone unit
14.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH153
4.3
iGET SECURITY P1v2 - wireless PIR motion detector
Motion Sensor accessories for iGET SECURITY M3B and M2B alarm system - Wireless PIR motion detector for monitoring movement in the room
16.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21010
4.8 16×
Elektrobock CN-Y01
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 8m, adjustable sensitivity
12.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK072
4.1
AQARA Presence Sensor FP1E (PS-S03D), Zigbee
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Aqara Home and Manufacturer app, range: lighting and security, application in English, Czech and Slovak, power supply: Power plug and USB,
50.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara24009
5.0
SAFE - CO detector SAFE 10YDCO-PRO
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication, operating temperature from -10 to 55 °C, operating humidity from 5 to 95 %, input voltage 3V, standalone unit
41.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH300
3.5
Sonoff PIR3-RF Small 433MHz RF PIR3 Motion Sensor
Sensor - movement, a bridge is necessary to function, the angle of view: 100°, two modes, range: 8 m, connection: radio waves, colour: white
Buy with code ALZADNI10 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky. 13.41 €
14.90 €
Buy
In stock 1 pcs
Order Code: SNF21a054
4.7 17×
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
26.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tsl_22_30
4.6
Elektrobock IR24A
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 10m, adjustable sensitivity, independently functional unit
16.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK068
4.0
Flammable and Explosive Gas Detector SAFE 808L (Natural Gas)
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, display, 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
39.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH149
4.8 51×
Elektrobock CN09 White
Motion Sensor - for lighting, Exterior, mains supply, input voltage: 230 V, reach of 12m, adjustable sensitivity
8.59 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK033
4.4
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
48.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_06
4.6
Elektrobock IR22A Classic
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 10m, adjustable sensitivity, independently functional unit
12.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK031
3.6
Meross Smart Water Leak Sensor Kit
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60 dB alarm, Meross Hub central unit is required for sensor functionality
Buy with code ALZADNI30 The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získajte zľavu 30 % s kódom ALZADNI30. Kliknite a kód sa uplatní automaticky. 20.93 €
29.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer24_13
5.0
Eve Water Guard - Water Leak Detector - compatible with Thread
Water Leak Detector - detects water gas, mains power, sound level: 100dB, compatible with Apple Home, Apple Siri shortcuts and Samsung SmartThings, connect via Bluetooth, standalone functional unit, app with English language support for iOS
Great price 119.90 € Save 3 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Eve22_001
3.7
FireAngel FA3820 CO detector with integrated power supply for 10 years of operation
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features test button, temporary shutdown and self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 20 to 50 %, standalone unit
Great price 33.90 € Save 2 €
Buy
In stock > 5 pcs
Order Code: SAFEH184
4.6 12×
Elektrobock CN-V04
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 8m, adjustable sensitivity
9.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK071
4.5 29×
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
21.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMDET0002
4.5 14×
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
58.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_02
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
37.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Shell25034
3.5
iQtech SmartLife WL02, Wi-Fi flood sensor
Water Leak Detector - detects water gas, battery-powered, compatible with Tuya and Manufacturer app, connect via WiFi 2,4 GHz, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
19.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iQTECH19085
4.7
FireAngel FA6120 Optical Fire Detector with integrated battery for 10 years of operation
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, input voltage 3V, mounting kit included, standalone unit
21.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH180
4.3 10×
IMMAX NEO Smart water leak sensor, Zigbee 3.0
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
20.91 €
Buy
In stock > 10 pcs
Order Code: IMXX2314

Detectors

Detectors

In the category Detectors on Alza.sk, we currently have a total of 310 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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