Refresh the page
HomeCatalogShopping Cart
Orders
Menu

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 391 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 detectors
All from 391
TP-Link Tapo S200D - Dimmers
TP-Link Tapo S200D
549,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Added to cart
- +
Ubiquiti UniFi Protect Sense - Sensor
Ubiquiti UniFi Protect Sense
1,459,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - Multisensor, Bluetooth 5.0 BLE, Motion, opening, Temperature, humidity, water
Added to cart
- +
Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated - Temperature Sensor
Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated
799,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Temperature Sensor - interconnected fire detector, battery powered
Added to cart
- +
ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection - Detector
ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
11,799,-
From 280,- per month
In stock 4 pcs
Detector - smart water monitor, water temperature sensors, water quality analysis, intuitive, low maintenance
Added to cart
- +
Eve Water Guard - Water Leak Detector - compatible with Thread - Water Leak Detector
Eve Water Guard - Water Leak Detector - compatible with Thread
2,939,-
From 135,- per month
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects water gas, mains power, sound level: 100dB, compatible with Apple Home, Apple Siri shortcuts and Samsung SmartThings, connect via Bluetooth,...
Added to cart
- +
KIDDE Combination smoke detector KIDDE-K10SCO - Smoke Detector
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,...
Added to cart
- +
FireAngel ST 622 Fire and Smoke Detector - Smoke Detector
FireAngel ST 622 Fire and Smoke Detector
699,-
In stock > 5 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, features: test button and temporary shutdown, operating temperature from 4 to 38 °C,...
Added to cart
- +
EVOLVEO Defender D5 - Gas Leak Detector
EVOLVEO Defender D5
689,-
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, signal volume 85 dB, battery indication and display, features test button and...
Added to cart
- +
AQARA Presence Sensor FP1E (PS-S03D), Zigbee - Motion Sesnor
AQARA Presence Sensor FP1E (PS-S03D), Zigbee
1,199,-
On the way 1 pcs
Expected 27/08/2026
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Aqara Home and Manufacturer app, range: lighting and security, application in...
Added to cart
- +
Mi Door and Window Sensor 2 - Door and Window Sensor
Mi Door and Window Sensor 2
299,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Door and Window Sensor - wireless, compatible with Xiaomi Home, connect via Bluetooth, integrated daylight sensor, central unit required, supported OS: Android and iOS, application...
Added to cart
- +
Eve Water Guard Connected Water Leak Detector - Cable Extension - Extension Cable
Eve Water Guard Connected Water Leak Detector - Cable Extension
589,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Extension Cable -
Added to cart
- +
CO-man Mini C11-L stand-alone carbon monoxide fire detector - Gas Leak Detector
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...
Added to cart
- +
SAFE Starter Kit Fire, white - Security Kit
SAFE Starter Kit Fire, white
8,990,-
In stock > 5 pcs at the supplier's
Security Kit - wireless for early fire detection, includes Hub 2 Plus LTE and 3× Fire Guard, instant notifications in ProSAFE, encrypted communication (AES128), backup via LTE (2×...
Added to cart
- +
MOES Mini CO Detector, grey - Gas Leak Detector
MOES Mini CO Detector, grey
999,-
In stock > 5 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 799,- 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.
Gas Leak Detector - measurement range from 0 to 1000 ppm, deviation 100 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material...
Added to cart
- +
Kidde 5DCO carbon monoxide leak detector - Gas Leak Detector
Kidde 5DCO carbon monoxide leak detector
849,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
Added to cart
- +
FireAngel FA3820 CO detector with integrated power supply for 10 years of operation - Gas Leak Detector
FireAngel FA3820 CO detector with integrated power supply for 10 years of operation
Discounted -6 % 799,- 859,-
In stock 1 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 test button, temporary shutdown and...
Added to cart
- +
SAFE Motion Cam Outdoor (PhOD), white - Motion Sesnor
SAFE Motion Cam Outdoor (PhOD), white
6,991,-
From 166,- per month
In stock > 5 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 and German,...
Added to cart
- +
MOES Gas Leakage Detector, Zigbee - Gas Leak Detector
MOES Gas Leakage Detector, Zigbee
699,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 559,- 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.
Gas Leak Detector - detects natural gas, mains power supply, acoustic signals, notifications via push notifications, signal volume 70 dB, battery indication, features alarm, cover...
Added to cart
- +
Homematic IP Smoke detector HmIP-SWSD-2 - Smoke Detector
Homematic IP Smoke detector HmIP-SWSD-2
1,569,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , detection reach 40 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: test button, cover material plastic, operating...
Added to cart
- +
Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi - Detector
Shelly Gas, CNG Gas Detector, Alarm: Flashing LED & Acoustic Signal, WiFi
1,529,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector - Shelly GAS is a compact and highly sensitive CNG natural gas detector, bringing additional security for your home and family. Alarm: flashing LED & acoustic signal....
Added to cart
- +
Electrobock CN15F with 2 sensors - Motion Sesnor
Electrobock CN15F with 2 sensors
Great price 369,-
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Added to cart
- +
Meross Smart Water Leak Sensor Kit - Sensor
Meross Smart Water Leak Sensor Kit
634,-
In stock > 5 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY40 381,- 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.
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...
Added to cart
- +
Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor - Air Quality Meter
Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
5,699,-
From 135,- 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), measurement range from 400 to 5000 ppm, deviation...
Added to cart
- +
Emos GS558 - Smoke Detector
Emos GS558
589,-
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, operating temperature from 10 to 40 °C, operating humidity from 30 to 95 %,...
Added to cart
- +
Previous
24 more...
Other

No longer sold

Archive
Chcete doručiť tovar na Slovensko? Prezrite si Detektory
Für den Versand nach Deutschland, besuchen Sie bitte Detektoren und Sensoren
Für den Versand nach Österreich, besuchen Sie bitte Detektoren und Sensoren
Magyarországra rendelnél? Látogasd meg ezt a termékkategóriát Szivárgás érzékelők és detektorok

Try our cookies

Alza.cz a. s., Company identification number 27082440, use cookies and other data to ensure the proper functioning of the website and, with your consent, also, among other things, to personalize advertising and the content of our websites. By clicking on the “I understand“ button, you agree to the use of cookies and the transfer of data regarding the behavior on the website for displaying targeted advertising on social networks and advertising networks on other websites.

More information
I understand Detailed settings Reject everything
P-DC1-WEB16