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Detectors reviews and tests

Alza Test Ranks Detectors Based on User Reviews and Other Data

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Detectors – Test Results

The result for detectors at several price levels is:

What is the Alza Test?

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
4.9 88×
TP-Link Tapo T300, Smart water leak sensor
Water Leak Detector - detects Humidity and water gas, battery-powered, sound level: 90dB, compatible with Google Home and Manufacturer app, connection via radio waves, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
Great price 18.90 € Save 1 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP23_065
4.8 182×
Philips Hue Motion Sensor
Motion Sensor - for lighting, Interior, battery powered, reach of 5m, compatible with Apple Home, connection via Bluetooth, application in Czech, applications in Czech and English for Android, Windows and iOS
46.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ESO521g15
4.8 102×
Honeywell R200C-2, 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, acoustic signals, signal volume 85 dB, features test button, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, ingress protection IP44, input voltage 3V, battery included, standalone unit
45.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_01
4.9 59×
Elektrobock CN20
Motion Sensor - for lighting, Interior, mains supply, input voltage: 230 V, reach of 6m
7.09 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK061
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)
20.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP22_37
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
4.7 87×
TP-Link Tapo T100, Smart motion sensor
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Samsung SmartThings, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
21.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP22_38
4.7 55×
Emos GS536
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, operating temperature from 0 to 40 °C, operating humidity from 5 to 95 %, battery included, standalone unit
7.89 €
Currently Unavailable
Order Code: EMDET0001
4.9 27×
SONOFF SNZB-05P Zigbee Water Leak Sensor
Sensor - protection against water damage in your home, Zigbee, email alerts, SMS or mobile notifications, on a CR2477 battery, degree of protection IP67, Zigbee2MQTT and Home Assistant support
16.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNFa108
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
20.90 €
Buy
On the way 1 pcs
Expected 15/04/2026
Order Code: SNFa110
4.6 133×
Elektrobock LM218A
- detects CO (carbon monoxide), measurement range from 30 ppm, battery-powered, acoustic signals, signal volume 85 dB, display, features test button and alarm, cover material plastic, operating temperature from -10 to 45 °C, operating humidity up to 90 %, ingress protection IP40, standalone unit
26.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK118
4.7 48×
AQARA Motion Sensor P1 (MS-S02)
Motion Sesnor , connect through Radio frequency, open system with detection motion and Light compatible with Apple Home, IFTTT and Aqara Home, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
25.89 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqa22_05
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
8.59 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK034
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
23.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP23_001
4.8 30×
iGET SECURITY M3P1 - wireless PIR motion detector for iGET SECURITY M3 and M4
Motion Sensor - for alarm, Interior, battery powered, input voltage: 3V, reach of 9m, connection via radio waves, battery indication, independently functional unit
from  17.15 €
Currently Unavailable
Order Code: NU106b
4.8 26×
SAFE HOME SAFE 10Y30-BASIC
Smoke Detector - battery-powered , acoustic 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
14.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH297
4.8 28×
Philips Hue Outdoor Motion Sensor
Motion Sensor - for lighting, Exterior and Interior, battery powered, compatible with Apple Home and Philips Hue, independently functional unit, a central unit is required to function
60.90 €
Buy
In stock > 5 pcs
Order Code: PHL19021
4.8 26×
TESLA Smart Water Sensor
Water Leak Detector - detects water gas, battery-powered, range: 50 m, compatible with Tuya, Smartlife and Tesla Smart, connection via radio waves, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
27.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tsl_22_29
4.7 27×
Elektrobock LX39 White
Motion Sensor - for lighting, Exterior, mains supply, input voltage: 230 V, reach of 12m, independently functional unit
12.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK041
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
46.59 €
Buy
In stock > 5 pcs
Order Code: SAFEH129
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
Great price 20.99 € Save 0.91 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara23_005
4.6 36×
Airthings View Plus - complete air quality monitor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), dust particles, mains + battery-powered, visual signals, notifications via push notifications, battery indication and display, features: memory, power cable and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
306.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air22TNG1
4.8 18×
Airbi CO2AIR digital carbon dioxide meter
Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit
81.90 €
Buy
On the way > 5 pcs
Expected 20/04/2026
Order Code: Airbi24001
5.0 12×
Ajax MotionProtect Black
Motion Sensor - Interior, battery powered, input voltage: 3V, reach of 12m, compatible with Ajax, connection via radio waves, protection against sabotage, independently functional unit, application in English for Android and iOS
88.31 €
Buy
In stock 3 pcs
Order Code: AJAX5314
 

Detectors reviews and tests

Radón v domácnosti: Neviditeľný zabijak, ktorého odhalia monitory Airthings Viete, čo dýchate vo vlastnom dome? Radón, CO₂ či prchavé organické látky môžu ohrozovať zdravie bez toho, aby ste o tom vedeli. Značka Airthings ponúka inteligentné monitory, ktoré tieto neviditeľné hrozby odhalia – od jednoduchých detektorov radónu až po komplexné...
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Pokiaľ chcete do bytového domu nainštalovať kamerový systém, nie je to len tak. GDPR a ďalšie zákony o kamerách určujú, kam sa kamery smú nainštalovať, ako nakladať s prípadnými záznamami a rad ďalších postupov. Čo všetko je potrebné urobiť? Dozviete sa v našom článku.
SecurityBEDO Ajax pomôže rýchlo a jednoducho zabezpečiť váš domov BEDO Ajax je jednoduchým a účinným spôsobom, ako zabezpečiť domácnosť. Podľa čoho sa pozná kvalitný zabezpečovací systém a aké vlastnosti by mal mať? Odpovede nájdete v tomto článku.
Únik oxidu uhoľnatého nie je sranda, pretože vám pri jeho vdýchnutí hrozí otrava. Majte jeho výskyt pod kontrolou vďaka niektorému z nových detektorov a hlásičov od značky Honeywell. Zaistia vám pokoj a ich prevádzkové náklady potešia aj vašu peňaženku.
Bezpečná domácnosť a ochrana vlastného zdravia by mala stáť u každého na prvom mieste. Preto nie je vhodné podceňovať riziká a riskovať otravu oxidom uhoľnatým alebo dymovými splodinami v prípade náhleho požiaru v dome či byte. Zoznámte sa s modernými hlásičmi od...
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