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
(42)
(120)
(50)
(14)
(10)
Detection Type
(132)
(53)
(46)
(39)
(38)
Detection element
(62)
(23)
(17)
(13)
(10)
Range
1.1 m
2,000 m
-
Colour
(280)
(27)
(1)
(1)
(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 325 products to choose from. Customers have the most interest in TP-Link Tapo T300, Smart water leak sensor, which you can buy for 18.90 € incl. VAT. If you’re intrested in detectors in terms of the highest reviews, then look at the detectors reviews and tests category.
325 Results
1.0
Smoot Air Motion
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Apple Siri shortcuts and Tuya, range: lighting and security, application in Czech, power supply: Battery-Powered,
20.53 €
Buy
In stock 5 pcs at the supplier's
Order Code: HLDdh18
Homematic IP Flood Sensor - HmIP-SWD
Water Leak Detector - detects water gas, battery-powered, sound level: 77dB, compatible with Google Home and Home Connect, central unit required to function,, app with Czech language support
54.05 €
Currently Unavailable
Order Code: Home22_36
Homematic IP PIR motion detector - for 55 mm frame, indoor - HmIP-SMI55-2
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Google Home and Manufacturer app, range: security, power supply: Battery-Powered,
65.35 €
Currently Unavailable
Order Code: Home22_28
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,
65.81 €
Currently Unavailable
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,
87.56 €
Currently Unavailable
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,
54.05 €
Currently Unavailable
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,
87.56 €
Currently Unavailable
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.
159.90 €
Buy
In stock 4 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
65.81 €
Currently Unavailable
Order Code: Home22_14
4.1 93×
TESLA Smart Sensor Temperature and Humidity Display
Sensor - on the wall and on the table, measures temperature and humidity, with a display, 2 AAA batteries, white colour, dimensions 61 × 61 × 23 mm (H×W×D)
22.90 €
Currently Unavailable
Order Code: Tsl_22_28
4.8 27×
TESLA Smart Water Sensor
Water Leak Detector - detects water gas, battery-powered, range: 50 m, compatible with Tuya, Smartlife and Tesla Smart, connection via radio waves, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
27.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tsl_22_29
4.4
Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating temperature to 40 °C, operating humidity up to 93 %, input voltage 3V, battery included, standalone unit
43.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_05
4.0
Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated
Temperature Sensor - interconnected fire detector, battery powered
33.90 €
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_03
4.5 14×
Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, detection reach 100 m, acoustic signals, signal volume 85 dB, features test button and alarm, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, input voltage 3V, battery included, standalone unit
58.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_02
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
116.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: GARNI19014
4.6 40×
Airthings View Plus - complete air quality monitor
Air Quality Meter - detects temperature, humidity, air pressure, TVOC (volatile organic compounds), radon, CO₂ (carbon dioxide), dust particles, mains + battery-powered, visual signals, notifications via push notifications, battery indication and display, features: memory, power cable and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
-10 % off new 275.90 € New 306.90 €
Buy
Unsealed - in stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Air22TNG1
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
25.09 €
Buy
In stock > 10 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
14.60 €
Buy
In stock > 10 pcs at the supplier's
Order Code: AQhob07
4.5 10×
Elektrobock LX118
Motion Sesnor with detection motion, range: electrical installation, power supply: Power plug,
9.29 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK114
4.2 20×
Netatmo Smart Carbon Monoxide Alarm
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone unit, app language options: Czech and English , compatible with Android, Windows and iOS
-24 % off new 79.90 € New 105.90 €
Buy
Unsealed - in stock 1 pcs
Order Code: NetA_21_01
4.9 13×
Airthings Corentium Home (224 B/m3) - digital radon detector
Air Quality Meter - detects radon, battery-powered, display, features: memory, cover material plastic, operating temperature from 4 to 40 °C, battery included, standalone unit
-19 % off new 139.90 € New 173.07 €
Buy
Unsealed - in stock 1 pcs
Order Code: Air21TNG4
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
15.90 €
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,
18.61 €
Buy
In stock > 5 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
-26 % off new 74.90 € New 101.90 €
Buy
Unsealed - in stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: GARNI19013
 
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-WEB22