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
Product type
(25)
(71)
(17)
(11)
(8)
Detection Type
(78)
(41)
(31)
(28)
(27)
Detection element
(42)
(16)
(9)
(8)
(7)
Range
1.1 m
2,000 m
-
Colour
(172)
(15)
(1)
(1)
(5)

Most expensive detectors

This page includes the most expensive detectors, or more specifically all products from the category detectors sorted from the most expensive to the cheapest. This way, the most luxurious pieces can stand out.
198 Results
4.5
Watch Price/Availability
Niceboy ION ORBIS Water Sensor
Water Leak Detector - detects Water gas,, compatible with Niceboy ION, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  20.90 €
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NCB23_008
4.7 48×
Watch Price/Availability
AQARA Motion Sensor P1 (MS-S02)
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 English, Czech and Slovak, power supply: Battery-Powered,
  20.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqa22_05
4.0
Watch Price/Availability
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.
  20.90 €
Currently Unavailable
Order Code: iGt21017
Watch Price/Availability
Eve Water Guard Connected Water Leak Detector - Cable Extension
Extension Cable -
  20.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVE1004
4.7 23×
Watch Price/Availability
EVOLVEO wireless PIR motion sensor for Alarmex/Sonix with tamper protection
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
  from  20.20 €
Currently Unavailable
Order Code: RY203g
5.0
Watch Price/Availability
EVOLVEO SecuPro wireless PIR motion sensor
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
  20.45 €
Currently Unavailable
Order Code: EVO24008
4.9 13×
Watch Price/Availability
Solight Wireless motion detector/gong
Detector volume 65 - 80 dB(A), signal range max. 40m without obstacles, operational range of motion detection 0-8m, angle of view 15° vertically, angle of view 100° horizontally, 36 adjustable melodies, 3D rotatable sensor stand, wall mounting holes, power supply 3 x AA alkaline batteries (not included), sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
  19.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Solight23_18
4.0 10×
Watch Price/Availability
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
  19.90 €
Currently Unavailable
Order Code: SwBot21_13
Watch Price/Availability
EMOS GoSmart PIR sensor (motion sensor) IP20, 60°, ZigBee
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Lidl Home, Smartlife and EMOS GoSmart, range: lighting and security, application in English, Czech, German, Slovak, Hungarian, In Polish, In Spanish, In French and In Italian, power supply: Battery-Powered,
  19.63 €
Currently Unavailable
Order Code: EMOS26065
Watch Price/Availability
EMOS Microwave sensor (motion sensor) IP20, 1200 W, 360°, built-in
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  19.63 €
Buy
Ordered on request
Order Code: EMOS26068
Watch Price/Availability
X-Sense XS01 Standalone Smoke Detector
Smoke Detector - battery-powered , detection reach 200 m, reaction time 1 s, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features: test button and alarm, cover material plastic, operating temperature from -4 to 38 °C, operating humidity from 0 to 85 %, ingress protection IP20, mounting kit included, standalone unit, app language options: Czech and English
New arrival 18.90 €
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: XSEN26001
4.0
Watch Price/Availability
AQARA Vibration Sensor T1 (VB-S01D)
Vibration Detector - detects Opening windows and doors, Fall and vibration gas, battery-powered, reaction time: 1s, compatible with Apple Home and Manufacturer app, battery indication and adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  18.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara25021
Watch Price/Availability
MOES Vibration Sensor, Zigbee
Vibration Detector - detects vibration gas, battery-powered, range: 30 m, compatible with Tuya and Smartlife, connect via WiFi 5 GHz, battery indication and adjustable sensitivity, central unit required to function, app with English language support for Android and iOS
  18.90 €
Currently Unavailable
Order Code: Moes2504
Watch Price/Availability
Xtend Home EZS-PIRP30
Motion Sesnor , connect through Radio frequency with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
  18.90 €
Currently Unavailable
Order Code: Xtend25010
4.6 54×
Watch Price/Availability
AQARA Water Leak Sensor T1
Water Leak Detector - detects Water gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings, IFTTT and Aqara Home, connect via Bluetooth, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  18.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara23_005
4.8 38×
Watch Price/Availability
TP-Link Tapo S200D
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 (1× CR2032) with a lifetime of up to 1 year, does not work standalone - Tapo Smart Hub (H100) is required
  18.90 €
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP23_001
4.5 10×
Watch Price/Availability
SwitchBot Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion, range: security, power supply: Battery-Powered,
  18.90 €
Currently Unavailable
Order Code: SwBot21_12
4.8 30×
Watch Price/Availability
iGET SECURITY M3P1 - wireless PIR motion detector for iGET SECURITY M3 and M4
Motion Sesnor , connect through Radio frequency, open system with detection motion, range: security, power supply: Battery-Powered,
  from  18.10 €
Currently Unavailable
Order Code: NU106b
4.4
Watch Price/Availability
EVOLVEO wireless water level detector for Alarmex/Sonix
Water Leak Detector - detects Water gas, battery-powered, central unit required to function
  18.90 €
Currently Unavailable
Order Code: RY202f
4.7 32×
Watch Price/Availability
SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable
Water Leak Detector - detects Water gas, battery-powered, range: 130 m, compatible with Samsung SmartThings, IFTTT and eWeLink, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  17.90 €
Buy
On the way > 5 pcs
Expected 06/10/2026
Order Code: SNFa110
4.7 91×
Watch Price/Availability
TP-Link Tapo T100, Smart motion sensor
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Samsung SmartThings, range: security, application in English, Czech, German and Slovak, power supply: Battery-Powered,
  17.90 €
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: TP22_38
2.5
Watch Price/Availability
Sonoff MS01 Smart Soil Moisture Sensor
Sensor - humidity sensor, waterproof (IP55), compatible with Sonoff TH Origin/Elite sensor, cable 50 cm long, support for voice assistants, operating temperature 0 to 60 °C, humidity measurement 0-99% RH, RJ9 4P4C connector
  17.90 €
Buy
On the way > 5 pcs
Expected 06/10/2026
Order Code: SNFa058
Watch Price/Availability
EMOS Microwave sensor (motion sensor) IP20, 2000 W, 360°, mounted
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  17.58 €
Currently Unavailable
Order Code: EMOS26066
Watch Price/Availability
RETLUX RSH 310 Smart Water Leak Sensor
Water Leak Detector - detects Water gas, battery-powered, compatible with Tuya, Smartlife and Manufacturer app, connection via radio waves, battery indication, central unit required to function,, app with Czech language support for Android and iOS
  16.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX26016
24 more... Top
1 ... 45678 ... 9
 
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-WEB10

Große Auswahl und hohe Qualität Wir bieten Qualitätsprodukte von mehr als 1.500 weltbekannten Marken an. More info »