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The result for detectors at several price levels is:
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Hundreds of categories, thousands of products, millions of details and user reviews for detectors. How can you make sense of all of this? Try our Alza Test, which guarantees an objective selection based on customers' experiences. How the products from detectors rank are based solely on various data and feedback from actual people who have purchased the products.
311
Results
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
Gas Leak Detector - detects CO (carbon monoxide), measurement range to 999 ppm, battery-powered, acoustic signals, signal volume 85 dB, battery indication and display, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 15 to 90 %, standalone unit
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 8m, adjustable sensitivity
12.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
ELBOCK072
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
27.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
RY211
Detector volume 65 - 80 dB(A), signal range max. 40m without obstacles, operational range of motion detection 0-8m, angle of view 15° vertically, angle of view 100° horizontally, 36 adjustable melodies, 3D rotatable sensor stand, wall mounting holes, receiver power supply AC 230V~50Hz, sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
Discounted -10 %
16.90 €
18.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Solight23_17
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, operating temperature from -10 to 55 °C, operating humidity up to 95 %, input voltage 3V, standalone unit
Motion Sesnor , open system with detection motion compatible with Samsung SmartThings, IFTTT and eWeLink, range: lighting, application in English and Czech, power supply: Battery-Powered,
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 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
EMDET0002
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 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Tsl_22_30
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 9m, independently functional unit
Detector volume 65 - 80 dB(A), signal range max. 40m without obstacles, operational range of motion detection 0-8m, angle of view 15° vertically, angle of view 100° horizontally, 36 adjustable melodies, 3D rotatable sensor stand, wall mounting holes, power supply 3 x AA alkaline batteries (not included), sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating temperature to 40 °C, operating humidity from 25 to 93 %, input voltage 3V, battery included, standalone unit
28.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
HNW22_04
Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, range of 1200m, central unit required, supported OS: Android, Windows and iOS, application in English
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, cover material plastic, operating temperature from -10 to 40 °C, standalone unit
8.29 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
ELBOCK021
Sensor - for motion detection, functionality based on 5.8 GHz microwave radar, three levels of sensitivity, detection distance up to 4 m, compatible with smart bulbs, Smart Switch and smart LED strips, possibility of fixing the base to the wall with 3M tape or screws, the sensor is fixed magnetically, USB-C power, ZigBee Hub central unit needed, Amazon Alexa support, Google Home, Smartthings, Alice and IFTTT
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
77.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
FIBR01b
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 5 to 40 °C, operating humidity from 20 to 90 %, standalone unit
Motion Sensor - for lighting, Exterior, mains supply, input voltage: 230 V, reach of 12m, reaction time: 10s, adjustable sensitivity, independently functional unit
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
Great price
58.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
SAFEH123
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security and home control, application in English and German, power supply: Battery-Powered,
Buy with code
ALZADNI20
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky.
46.32 €
57.90 €
On the way > 5 pcs
Expected 23/04/2026
Order Code:
Eve23_03
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
Smoke Detector - detects temperature, temperature measurement from -20 to 100 °C, battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, features: alarm, operating temperature from 0 to 55 °C, operating humidity from 0 to 93 %, battery included, standalone unit requires a central hub, app language options: Czech and English
Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
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