Refresh the page
HomeCatalogShopping Cart
Orders
Menu

Cheap detectors

On this page you will find detectors at the lowest prices, more so all detectors ranked from the lowest to the highest price. It will be easier to see products that are now marked at their lowest price. The item with the lowest price in this category is iGET SECURITY P9 - wireless water level detector for iGET SECURITY M3B and M2B marked at 6.69 € incl. VAT. Is this what you’re looking for?
All from 323
EMOS GoSmart Water Leak Detector P56000S, ZigBee - Water Leak Detector
EMOS GoSmart Water Leak Detector P56000S, ZigBee
28.09 €
Ordered on request
Water Leak Detector - detects water gas, battery-powered, sound level: 85dB, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, battery indication,...
Added to cart
- +
AQARA Motion and Light Sensor P2 - Motion Sesnor
AQARA Motion and Light Sensor P2
-17 % off new 28.90 € New 34.99 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Bluetooth, open system with detection motion and Light compatible with Apple Home and Aqara Home, range: lighting and security, application in...
Added to cart
- +
Shelly Blu Motion, Bluetooth - Motion Sesnor
Shelly Blu Motion, Bluetooth
28.90 €
On the way > 5 pcs
Expected 04/08/2026
Motion Sesnor , connect through Bluetooth, open system with detection motion compatible with Samsung SmartThings, range: home control, application in English, Czech, German, Slovak...
Added to cart
- +
Imou gas sensor/detector ZGA1 - Gas Leak Detector
Imou gas sensor/detector ZGA1
28.90 €
Ordered on request
Gas Leak Detector - mains power supply, detection reach 200 m, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, features self-diagnostics,...
Added to cart
- +
EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement - Motion Sesnor
EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement
28.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through WiFi 2,4 GHz and GSM, closed system with detection motion compatible with Tuya, range: security, power supply: Battery-Powered,
Added to cart
- +
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated - Smoke Detector
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated
Great price 28.90 € Save 1 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating...
Added to cart
- +
IMMAX NEO Smart 3in1 PIR, occupancy and light sensor, Zigbee 3.0 - Sensor
IMMAX NEO Smart 3in1 PIR, occupancy and light sensor, Zigbee 3.0
29.38 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - 3in1 PIR sensor, presence and lighting, Zigbee 3.0 (Tuya) is a smart device, which combines motion detection (PIR), monitoring the presence of people and measuring light...
Added to cart
- +
BOT Smart gas detector WiFi GS5 - Gas Leak Detector
BOT Smart gas detector WiFi GS5
29.82 €
In stock > 5 pcs at the supplier's
Buy at the price for both existing and new AlzaPlus+ members 25.35 €
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 70 dB, display, features alarm, cover material...
Added to cart
- +
MOES Gas Leakage Detector, Zigbee - Gas Leak Detector
MOES Gas Leakage Detector, Zigbee
29.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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
- +
FireAngel FA3313 CO detector with two replaceable AA batteries - Gas Leak Detector
FireAngel FA3313 CO detector with two replaceable AA batteries
29.90 €
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 signals, battery indication, features test button, temporary shutdown and self-diagnostics, cover...
Added to cart
- +
EVOLVEO Defender D5 - Gas Leak Detector
EVOLVEO Defender D5
29.90 €
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 Multi-State Sensor P100 Kit (VB-S03D), grey - Vibration Detector
AQARA Multi-State Sensor P100 Kit (VB-S03D), grey
31.90 €
In stock > 5 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Vibration Detector - detects Opening windows and doors, vibration and Angle gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings and Aqara Home,...
Added to cart
- +
AQARA Multi-State Sensor P100 Kit (VB-S03DW), white - Vibration Detector
AQARA Multi-State Sensor P100 Kit (VB-S03DW), white
31.90 €
In stock > 5 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Vibration Detector - detects Opening windows and doors, vibration and Angle gas, battery-powered, compatible with Apple Home, Google Home and Aqara Home, connection via radio...
Added to cart
- +
EVOLVEO Wireless 360° PIR Ceiling Motion Sensor for Sonix - Motion Sesnor
EVOLVEO Wireless 360° PIR Ceiling Motion Sensor for Sonix
31.90 €
Currently Unavailable
Motion Sesnor , connect through Radio frequency, closed system with detection motion, range: security, application in English, Czech, Slovak and Hungarian, power supply:...
View
iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0 - Smoke Detector
iQtech Smartlife SS03 Zigbee Smoke sensor, Zigbee 3.0
32.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , detection reach 10 m, notifications via push notifications, battery indication, features: alarm, cover material plastic, compatible with Tuya...
Added to cart
- +
Smoot ZigBee Leak Pro - Water Leak Detector
Smoot ZigBee Leak Pro
33.17 €
In stock > 5 pcs at the supplier's
Water Leak Detector - detects water gas, battery-powered, compatible with Apple Siri shortcuts and Tuya, connect via WiFi 2,4 GHz and WiFi 5 GHz, battery indication, central unit...
Added to cart
- +
SAFE Wireless temperature detector 10YHT-RF - Temperature Sensor
SAFE Wireless temperature detector 10YHT-RF
New arrival 33.17 €
In stock 1 pcs at the supplier's
Temperature Sensor
Added to cart
- +
SAFE FireSafe 10Y30-RF wirelessly connectable fire detector - Smoke Detector
SAFE FireSafe 10Y30-RF wirelessly connectable fire detector
New arrival 33.17 €
In stock 2 pcs at the supplier's
Smoke Detector - detects dust particles, battery-powered , detection reach 1000 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: alarm, cover...
Added to cart
- +
SIGNIFY 17476/87/PN Virginia outdoor PIR motion sensor IP44, grey - Motion Sesnor
SIGNIFY 17476/87/PN Virginia outdoor PIR motion sensor IP44, grey
33.52 €
In stock > 5 pcs at the supplier's
Motion Sesnor with detection motion compatible with Manufacturer app, range: security,
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
33.90 €
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
- +
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
Great price 33.90 € Save 2 €
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 signals, signal volume 85 dB, battery indication, features test button, temporary shutdown and...
Added to cart
- +
Nedis Miniature Smoke Detector DTCTSL40WT - Smoke Detector
Nedis Miniature Smoke Detector DTCTSL40WT
34.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - acoustic signals, signal volume 85 dB, features: alarm, cover material plastic, operating temperature from -10 to 50 °C, standalone unit
Added to cart
- +
Elektrobock IR28B Profi - Motion Sesnor
Elektrobock IR28B Profi
Amazing Deal 34.90 € Save 4.05 €
In stock 1 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
- +
EMOS GoSmart Carbon Monoxide Detector TCS0101W, Wi-Fi - Gas Leak Detector
EMOS GoSmart Carbon Monoxide Detector TCS0101W, Wi-Fi
34.90 €
In stock 2 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, notifications via push notifications, signal volume 85 dB, battery indication, features...
Added to cart
- +
Previous
24 more...
Other

No longer sold

Archive
Chcete doručit do České republiky? Jdi na 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-WEB08