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Best sellers, best detectors

We also think that you deserve the best. That’s why on this page, we ranked detectors from the most sold to the least sold. You have 357 products to choose from. Customers have the most interest in EMOS GoSmart Carbon Monoxide Detector TCS0101W, Wi-Fi, which you can buy for 829 Kč incl. VAT. If you’re intrested in detectors in terms of the highest reviews, then look at the detectors reviews and tests category.
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All from 357
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EMOS GoSmart Carbon Monoxide Detector TCS0101W, Wi-Fi - Gas Leak Detector
EMOS GoSmart Carbon Monoxide Detector TCS0101W, Wi-Fi
Great price 829,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, features...
Sponsored
EMOS GoSmart Water Leak Detector P56000S, ZigBee - Water Leak Detector
EMOS GoSmart Water Leak Detector P56000S, ZigBee
669,-
In stock > 5 pcs at the supplier's
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, battery indication,...
Airthings Corentium Home 2 - Smart radon detector - Air Quality Meter
Airthings Corentium Home 2 - Smart radon detector
4,476,-
In stock > 5 pcs at the supplier's
Air Quality Meter - detects temperature, humidity, radon, battery-powered, visual signals, notifications via push notifications, display, operating temperature from 4 to 40 °C,...
Elektrobock LM218A - Gas Leak Detector
Elektrobock LM218A
589,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
- detects CO (carbon monoxide), measurement range from 10 to 550 ppm, battery-powered, acoustic signals, signal volume 85 dB, display, features test button and alarm, cover...
SAFE HOME SAFE 10Y30-BASIC - Smoke Detector
SAFE HOME SAFE 10Y30-BASIC
Great price 379,- Save 20,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm - Gas Leak Detector
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
1,089,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Solight CO flue gas detector, 85 dB - Gas Leak Detector
Solight CO flue gas detector, 85 dB
Great price 369,- Save 30,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 50 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic, visual signals, signal volume 85 dB,...
Elektrobock LM-102 - Smoke Detector
Elektrobock LM-102
199,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, cover material plastic, operating temperature from -10 to 40 °C, standalone...
Airthings View Plus - complete air quality monitor - Air Quality Meter
Airthings View Plus - complete air quality monitor
7,399,-
From 170,- per month
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), dust particles, mains + battery-powered, visual...
TP-Link Tapo T300, Smart water leak sensor - Water Leak Detector
TP-Link Tapo T300, Smart water leak sensor
Amazing Deal 449,- Save 50,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Philips Hue Motion Sensor - Motion Sensor
Philips Hue Motion Sensor
Great price 1,159,- Save 40,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Emos GS536 - Smoke Detector
Emos GS536
189,-
In stock 1 pcs at the supplier's
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,...
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated - Smoke Detector
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated
690,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating...
TP-Link Tapo T100, Smart motion sensor - Motion Sesnor
TP-Link Tapo T100, Smart motion sensor
509,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Samsung SmartThings, range: security, application in English, Czech, German and...
SAFE HOME SAFE 10Y30-PRO - Smoke Detector
SAFE HOME SAFE 10Y30-PRO
499,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Airthings Corentium Home (224 B/m3) - digital radon detector - Air Quality Meter
Airthings Corentium Home (224 B/m3) - digital radon detector
4,224,-
From 97,- per month
In stock > 5 pcs
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
Opti Radon Meter RN-55 Optigrund - Gas Leak Detector
Opti Radon Meter RN-55 Optigrund
4,667,-
From 107,- per month
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY5 4,434,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 5 % s kódem ALZADNY5. Klikněte a kód se uplatní automaticky.
Gas Leak Detector - battery-powered, battery indication and display, features test button and memory, cover material plastic, operating temperature from 4 to 50 °C,, battery...
Airthings View Radon - Air Quality Monitor - Air Quality Meter
Airthings View Radon - Air Quality Monitor
4,899,-
From 113,- per month
On the way > 5 pcs
Expected 07/05/2026
Air Quality Meter is designed for indoor environments where it monitors humidity, temperature and the amount of radon in the air. You use batteries or a USB cable to power it....
TP-Link Tapo S200B, Smart button - Dimmers
TP-Link Tapo S200B, Smart button
499,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Dimmers for controlling lights, electronics and other Tapo smart devices, adjustable actions, battery operation (1× CR2032)
Bentech C999 Carbon Monoxide Autonomous Fire Detector - Gas Leak Detector
Bentech C999 Carbon Monoxide Autonomous Fire Detector
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...
Airbi CO2AIR digital carbon dioxide meter - Detector
Airbi CO2AIR digital carbon dioxide meter
1,999,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector - CO₂ (carbon dioxide) detection, measurement range from 400 to 2400 ppm, mains + battery power, reaction time 6 s, display, independently functional unit
Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi - Smoke Detector
Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi
1,148,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating...
Combined Detector of CO, Flammable and Explosive Gases SAFE 808COM - Gas Leak Detector
Combined Detector of CO, Flammable and Explosive Gases SAFE 808COM
1,489,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), natural gas, propane-butane, measurement range to 2500 ppm, mains power supply, reaction time 20 s, acoustic, visual signals,...
SONOFF Zigbee Human Presence Sensor - Sensor
SONOFF Zigbee Human Presence Sensor
419,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
24 more...
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