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.
Alzak icon
Catalogue
Price
-
Availability
Order status
Product type
(48)
(140)
(60)
(17)
(9)
Detection Type
(154)
(54)
(52)
(47)
(43)
Detection element
(73)
(26)
(20)
(15)
(11)
Range
1 m
2,000 m
-
Colour
(320)
(31)
(1)
(2)
(1)
(8)
Newest orders

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 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.
368 Results
Homematic IP Occupancy Sensor - indoor - HmIP-SPI
Motion Sesnor with detection motion compatible with Google Home and Manufacturer app, range: lighting, power supply: Battery-Powered,
1,571,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home22_29
Homematic IP PIR motion detector with brightness sensor - outdoor, anthracite - HmIP-SMO-A-2
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
2,090,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home22_26
Homematic IP PIR motion detector with brightness sensor - indoor - HmIP-SMI
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in Czech, power supply: Battery-Powered,
1,290,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home22_27
5.0
Homematic IP PIR motion detector with brightness sensor - outdoor - HmIP-SMO-2
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: lighting, heating and cooling and security, application in Czech, power supply: Battery-Powered,
2,090,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home22_25
Homematic IP Rain Sensor - HmIP-SRD
Sensor The wireless rain sensor (HmIP-SRD) for outdoor use is part of the Homematic IP smart home system. The sensor with its high weather and weather protection offers a wide range of applications in conjunction with other Homematic IP devices. The device detects even the smallest amount of rain or snowfall and then transmits the information to the Central Unit (HmIP-HAP) and the connected Homematic IP devices, which react according to a predefined configuration.
3,890,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home22_37
5.0
Homematic IP Siren indoor - HmIP-ASIR-2
Siren - open system, area of use: security, OS supported: Android and iOS, compatible with Google Home and Homematic IP, power supply: Battery-Powered
1,571,-
Buy
In stock > 5 pcs at the supplier's
Order Code: Home22_14
5.0
GARNI 204 OneCare
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -40 to 70 °C, humidity measurement from 1 to 99 %, mains + battery-powered, detection reach 100 m, acoustic, visual signals, battery indication and display, features: hours and alarm clock, power adapter and battery included, standalone unit
2,849,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: GARNI19014
3.3
Alecto SA-102
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C, operating humidity up to 90 %, battery and mounting kit included, standalone unit
559,-
Buy
In stock 1 pcs at the supplier's
Order Code: AQhob08
3.0
Alecto SA-100
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from -10 to 40 °C, operating humidity up to 90 %, battery and mounting kit included, standalone unit
348,-
Buy
In stock > 10 pcs at the supplier's
Order Code: AQhob07
5.0
Airthings View Pollution - air quality monitor
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 the app via Wi-Fi or HUB using Airthings Smartlink. The app is compatible with both Android and iOS operating systems. Airthings View Pollution also communicates with IFTTT, Google Assistant and Amazon Alexa voice assistants.
Great price 4,899,- Save 100,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air22TNG2
4.0 10×
SwitchBot Contact Sensor
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 unit, supported OS: Android and iOS
399,-
Currently Unavailable
Order Code: SwBot21_13
4.5 10×
SwitchBot Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion, range: security, power supply: Battery-Powered,
444,-
Buy
In stock 2 pcs at the supplier's
Order Code: SwBot21_12
3.9
GARNI 210T OneCare
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 + battery-powered, acoustic, visual signals, battery indication and display, cover material plastic, power cable included, compatible with Tuya and Smartlife, standalone unit, compatible with Android and iOS
-30 % off new 1,739,- New 2,489,-
Buy
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: GARNI19013
4.8
FireAngel SB5 fire and smoke detector
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, features: test button and temporary shutdown, operating temperature from 0 to 40 °C, operating humidity up to 90 %, battery included, standalone unit
399,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH169
3.9
GARNI 210T OneCare
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 + battery-powered, acoustic, visual signals, battery indication and display, cover material plastic, power cable included, compatible with Tuya and Smartlife, standalone unit, compatible with Android and iOS
2,489,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: GARNI19013
4.6
iGET SECURITY EP10 - wireless vibration sensor for iGET M5-4G alarm
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 sensor immediately sounds an alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
399,-
Buy
In stock 5 pcs at the supplier's
Order Code: iGt21018
4.0
iGET SECURITY EP9 - wireless water sensor for iGET M5-4G alarm
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. As soon as the detection plate detects water, the transmitter informs the alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
499,-
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21017
4.7 27×
Elektrobock LX39 White
Motion Sesnor with detection motion, range: lighting and electrical installation, power supply: Power plug,
-11 % off new 239,- New 269,-
Buy
As good as new - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK041
EVOLVEO Wireless 360° PIR Ceiling Motion Sensor for Sonix
Motion Sesnor , connect through Radio frequency, closed system with detection motion, range: security, application in English, Czech, Slovak and Hungarian, power supply: Battery-Powered,
749,-
Currently Unavailable
Order Code: EVolv08
4.3 15×
Airthings Wave plus - air quality, radon, humidity, temperature, VOC, CO2 and pressure sensor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 30 ppm, temperature measurement with accuracy 0.1 °C, humidity measurement with accuracy 1 %, battery-powered, visual signals, notifications via push notifications, battery indication, cover material plastic, operating temperature from 4 to 40 °C, operating humidity to 85 %, battery and mounting kit included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
5,699,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air21TNG2
4.0
Flammable and Explosive Gas Detector SAFE 808L (Natural Gas)
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, display, features test button, self-diagnostics and alarm, cover material plastic, operating temperature from 0 to 50 °C, ingress protection IP30, input voltage 230 V, mounting kit included, standalone unit
-9 % off new 899,- New 990,-
Buy
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SAFEH149
3.0
Somfy Door and window sensor
Door and Window Sensor -, compatible with Manufacturer app, connect via Radio frequency, range of 200m, separately functional unit, supported OS: Android and iOS
2,499,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SOM2115
1.0
Tellur WiFi Smart Motion Sensor, PIR, White
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, range: security, application in English, power supply: Battery-Powered,
490,-
Buy
In stock > 5 pcs at the supplier's
Order Code: TLLR2101
4.0 19×
KIDDE 29HD Smoke Detector
Smoke Detector - acoustic, visual signals, signal volume 85 dB, standalone unit
399,-
Currently Unavailable
Order Code: SAFEH153
Check out products sorted by price starting with the lowest price in the category cheap detectors Find products sorted from the most expensive to the cheapest in the category most expensive detectors Check out products sorted by price starting with the highest price in the category best sellers, best detectors You’ll find products sorted by reviews starting from the highest ranked in detectors reviews
P-DC1-WEB19