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 406 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.
All from 406
SONOFF Zigbee Human Presence Sensor
449,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code
ALZADNY15
382,-
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky.
Motion Sesnor , connect through Radio frequency, open system with detection motion and Human presence, range: lighting, power supply: Power plug,
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
Buy with code
ALZADNY10
1,033,-
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.
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating...
Shelly Gen4 Flood, flood sensor, Bluetooth
899,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code
ALZADNY5
854,-
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.
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,...
AQARA Motion Sensor P1 (MS-S02)
579,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code
ALZADNY10
521,-
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.
Motion Sesnor , connect through Radio frequency, open system with detection motion and Lights compatible with Apple Home, IFTTT and Aqara Home, range: security, application in...
QINGPING CO2 & Temperature & RH Monitor
1,999,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code
ALZADNY20
1,599,-
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Air Quality Meter - detects gas, temperature, humidity, measurement range from 400 to 9999 ppm, temperature measurement from -20 to 50 °C with accuracy 0.5 °C, humidity measurement...
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
Fireman fire alarm and smoke detector JB-S01
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...
MAKETOP Y-10D DC sensor doorbell, white
349,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code
ALZADNY25
262,-
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získejte slevu 25% s kódem ALZADNY25.
Motion Sesnor , connect through Radio frequency with detection motion, range: security, power supply: Battery-Powered and USB,
X-Sense XC0C-iR Wi-Fi CO Detector
799,-
On the way > 5 pcs
Expected 19/10/2026
Buy with code
ALZADNY15
679,-
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky.
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 30 to 999 ppm, battery-powered, reaction time 1 s, acoustic, visual signals, notifications via push...
IMMAX NEO Smart PIR sensor 2in1 Zigbee 3.0
449,-
In stock > 10 pcs at the supplier's
Buy with code
ALZADNY30
314,-
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získejte slevu 30% s kódem ALZADNY30.
Motion Sesnor , open system with detection motion and Lights compatible with Apple Siri shortcuts, Tuya, Lidl Home, Smartlife, Nedis SmartLife, ETA SMART, Tesla Smart and Immax NEO...
SAFE HOME SAFE 10Y30-PRO
439,-
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...
Ajax DoorProtect Plus White
1,932,-
In stock > 5 pcs at the supplier's
Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, deviation angle adjustment and protection against sabotage, range of 1000m, central unit...
KIDDE Combination smoke detector KIDDE-K10SCO
1,289,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - detects CO (carbon monoxide), measurement range from 0 ppm, battery-powered , acoustic signals, signal volume 85 dB, battery indication, cover material plastic,...
Philips Hue Outdoor Motion Sensor
1,549,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , closed system with detection motion compatible with Apple Home and Philips Hue, power supply: Battery-Powered,
iGET SECURITY MP1 - Wireless Motion PIR Sensor for M6-4G Alarm, without animal detection up to 35kg
599,-
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 Manufacturer app, range: security, application in English, Czech, Slovak,...
Multifunctional digital CO detector FireAngel FA3322 with LCD display
1,369,-
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 signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating...
CO-man Mini C11-L stand-alone carbon monoxide fire detector
569,-
In stock > 10 pcs at the supplier's
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...
AQARA Spatial Multi-Sensor FP400 Kit (PS-S05D), Zigbee, Thread
New arrival
1,999,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Bluetooth and Radio frequency, open system with detection motion, Lights and Human presence compatible with Apple Home, Google Home, Samsung...
IMMAX NEO Smart water leak sensor, Zigbee 3.0
499,-
In stock > 10 pcs at the supplier's
Buy with code
ALZADNY40
299,-
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Get 40 % off with code ALZADNY40.
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...
SONOFF SenseGuard Presence Core 24GHz Zigbee Human Presence Sensor
New arrival
699,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code
ALZADNY15
594,-
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získejte slevu 15 % s kódem ALZADNY15. Klikněte a kód se uplatní automaticky.
Motion Sesnor , connect through Radio frequency, open system with detection motion and Human presence compatible with eWeLink, range: security, power supply: USB,
Elektrobock LM-107A Photoelectric Smoke Detector, 10 years Warranty
399,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , detection reach 12 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating...
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 Corentium Home 2 - Smart radon detector
4,476,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, radon, battery-powered, visual signals, notifications via push notifications, display, operating temperature from 4 to 40 °C,...
Elektrobock CN20
189,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
No longer sold
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