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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 368 products to choose from. Customers have the most interest in RETLUX RSH 310 Smart Water Leak Sensor, which you can buy for 399 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 368
Homematic IP Siren indoor - HmIP-ASIR-2 - Siren
Homematic IP Siren indoor - HmIP-ASIR-2
1,571,-
In stock > 5 pcs at the supplier's
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Google Home and Homematic IP, power supply: Battery-Powered
Added to cart
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Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper - Smoke Detector
Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper
1,048,-
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...
Added to cart
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GARNI 204 OneCare - Air Quality Meter
GARNI 204 OneCare
2,849,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -40 to 70 °C, humidity measurement from 1 to 99 %, mains + battery-powered,...
Added to cart
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Airthings View Plus - complete air quality monitor - Air Quality Meter
Airthings View Plus - complete air quality monitor
-20 % off new 5,849,- New 7,399,-
From 139,- per month
Unsealed - in stock 3 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...
Added to cart
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Alecto SA-102 - Smoke Detector
Alecto SA-102
556,-
In stock 1 pcs at the supplier's
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C,...
Added to cart
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Alecto SA-100 - Smoke Detector
Alecto SA-100
348,-
In stock > 10 pcs at the supplier's
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C,...
Added to cart
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Airthings View Pollution - air quality monitor - Air Quality Meter
Airthings View Pollution - air quality monitor
Great price 4,899,- Save 100,-
From 116,- per month
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter is designed for indoor environments where it monitors humidity and temperature. You use batteries or a USB cable to power it. Easily connect the air detector to...
Added to cart
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Mi Door and Window Sensor 2 - Door and Window Sensor
Mi Door and Window Sensor 2
-6 % off new 279,- New 299,-
Unsealed - in stock 2 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
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Airthings Corentium Home (224 B/m3) - digital radon detector - Air Quality Meter
Airthings Corentium Home (224 B/m3) - digital radon detector
-5 % off new 4,009,- New 4,224,-
From 95,- per month
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
Added to cart
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SwitchBot Contact Sensor - Door and Window Sensor
SwitchBot Contact Sensor
399,-
Currently Unavailable
Door and Window Sensor - wireless, compatible with Apple Siri shortcuts and Samsung SmartThings, connect via WiFi 2,4 GHz, battery indication, range of 5m, separately functional...
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SwitchBot Motion Sensor - Motion Sesnor
SwitchBot Motion Sensor
444,-
In stock 2 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion, range: security, power supply: Battery-Powered,
Added to cart
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GARNI 210T OneCare - Air Quality Meter
GARNI 210T OneCare
-30 % off new 1,739,- New 2,489,-
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -10 to 50 °C with accuracy 0.8 °C, humidity measurement with accuracy 5 %, mains +...
Added to cart
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GARNI 210T OneCare - Air Quality Meter
GARNI 210T OneCare
2,489,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -10 to 50 °C with accuracy 0.8 °C, humidity measurement with accuracy 5 %, mains +...
Added to cart
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Sonoff PIR3-RF Small 433MHz RF PIR3 Motion Sensor - Sensor
Sonoff PIR3-RF Small 433MHz RF PIR3 Motion Sensor
349,-
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - movement, a bridge is necessary to function, the angle of view: 100°, two modes, range: 8 m, connection: radio waves, colour: white
Added to cart
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iGET SECURITY EP1 - wireless PIR motion sensor for iGET M5-4G alarm - Detector
iGET SECURITY EP1 - wireless PIR motion sensor for iGET M5-4G alarm
-37 % off new 389,- New 619,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector PIR motion sensor for iGET SECURITY M5 alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly...
Added to cart
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iGET SECURITY EP10 - wireless vibration sensor for iGET M5-4G alarm - Detector
iGET SECURITY EP10 - wireless vibration sensor for iGET M5-4G alarm
399,-
In stock 5 pcs at the supplier's
Detector vibration detection sensor for iGET SECURITY M5 alarm. It is used for windows, showcases, valuable things like TV, antiques, etc. As soon as a minor shock occurs, the...
Added to cart
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iGET SECURITY EP9 - wireless water sensor for iGET M5-4G alarm - Detector
iGET SECURITY EP9 - wireless water sensor for iGET M5-4G alarm
499,-
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector water detection sensor for iGET SECURITY M5 alarm. It is used for water detection in bathrooms, technical rooms, tanks, etc., wherever there is a risk of water flooding....
Added to cart
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Elektrobock LX39 White - Motion Sesnor
Elektrobock LX39 White
-7 % off new 249,- New 269,-
As good as new - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor with detection motion, range: lighting and electrical installation, power supply: Power plug,
Added to cart
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EVOLVEO Wireless 360° PIR Ceiling Motion Sensor for Sonix - Motion Sesnor
EVOLVEO Wireless 360° PIR Ceiling Motion Sensor for Sonix
749,-
Currently Unavailable
Motion Sesnor , connect through Radio frequency, closed system with detection motion, range: security, application in English, Czech, Slovak and Hungarian, power supply:...
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Flammable and Explosive Gas Detector SAFE 808L (Natural Gas) - Gas Leak Detector
Flammable and Explosive Gas Detector SAFE 808L (Natural Gas)
-8 % off new 909,- New 990,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy at the price for both existing and new AlzaPlus+ members 818,-
Gas Leak Detector - detects natural gas, propane-butane, measurement range to 2500 ppm, mains power supply, reaction time 20 s, acoustic, visual signals, signal volume 85 dB,...
Added to cart
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Somfy Door and window sensor - Door and Window Sensor
Somfy Door and window sensor
2,499,-
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Door and Window Sensor -, compatible with Manufacturer app, connect via Radio frequency, range of 200m, separately functional unit, supported OS: Android and iOS
Added to cart
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Tellur WiFi Smart Motion Sensor, PIR, White - Motion Sesnor
Tellur WiFi Smart Motion Sensor, PIR, White
490,-
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, range: security, application in English, power supply:...
Added to cart
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KIDDE 29HD Smoke Detector - Smoke Detector
KIDDE 29HD Smoke Detector
399,-
Currently Unavailable
Smoke Detector - acoustic, visual signals, signal volume 85 dB, standalone unit
View
iGET SECURITY P1v2 - wireless PIR motion detector - Motion Sesnor
iGET SECURITY P1v2 - wireless PIR motion detector
399,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor accessories for iGET SECURITY M3B and M2B alarm system - Wireless PIR motion detector for monitoring movement in the room
Added to cart
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