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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 EMOS GoSmart Carbon Monoxide Detector TCS0101W, Wi-Fi marked at 179 Kč incl. VAT. Is this what you’re looking for?
All from 360
WiZ Contact sensor - Door and Window Sensor
WiZ Contact sensor
-10 % off new 599,- New 669,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Door and Window Sensor - wireless, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, battery indication, night orientation light and adjustable...
Meross Smart Water Leak Sensor - Sensor
Meross Smart Water Leak Sensor
599,-
In stock > 10 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 479,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 20 % s kódem ALZADNY20. Klikněte a kód se uplatní automaticky.
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60...
FireAngel FA6120 Optical Fire Detector with integrated battery for 10 years of operation - Smoke Detector
FireAngel FA6120 Optical Fire Detector with integrated battery for 10 years of operation
599,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, input voltage 3V, mounting kit included, standalone unit
Kidde Fire and Smoke Detector 10Y29 - Smoke Detector
Kidde Fire and Smoke Detector 10Y29
Discounted -7 % 599,- 649,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - signal volume 85 dB, standalone unit
SwitchBot Water Leak Detector with Sensor Cable - Sensor
SwitchBot Water Leak Detector with Sensor Cable
609,-
Currently Unavailable
Sensor - with an extended sensor length of 1 meter, detection of water level thresholds as low as 0.5 mm, loud alarm, notifications to your mobile phone via the SwitchBot app,...
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EZVIZ T1C PIR - Motion Sesnor
EZVIZ T1C PIR
619,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY25 464,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 25% s kódem ALZADNY25.
Motion Sesnor , closed system with detection motion compatible with Google Home and EZVIZ, range: security, application in English, Czech, German and Hungarian, power supply:...
iQtech Smartlife WL04 Zigbee Flood sensor, Zigbee 3.0 - Water Leak Detector
iQtech Smartlife WL04 Zigbee Flood sensor, Zigbee 3.0
619,-
On the way 1 pcs
Expected 16/04/2026
Water Leak Detector - detects water gas,, compatible with Tuya and Smartlife, battery indication, central unit required to function,, app with Czech language support, app with...
Dahua DHI-HY-GA20A - Gas Leak Detector
Dahua DHI-HY-GA20A
619,-
In stock > 5 pcs at the supplier's
Gas Leak Detector - mains power supply, detection reach 40 m, reaction time 10 s, acoustic, visual signals, signal volume 70 dB, features test button, self-diagnostics and alarm,...
EMOS GoSmart PIR sensor (motion sensor), ZigBee - Motion Sensor
EMOS GoSmart PIR sensor (motion sensor), ZigBee
-22 % off new 619,- New 799,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sensor - Interior, battery powered, reach of 8m, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, connection via WiFi 2,4 GHz and Bluetooth, a...
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
619,-
In stock > 5 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...
BOT Smart Zigbee GS2 gas detector - Gas Leak Detector
BOT Smart Zigbee GS2 gas detector
629,-
In stock > 5 pcs at the supplier's
Buy with code ALZADNY5 598,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 5 % s kódem ALZADNY5. Klikněte a kód se uplatní automaticky.
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 70 dB, features alarm, cover material plastic,...
EVOLVEO SecuPro, wireless siren with solar power - Siren
EVOLVEO SecuPro, wireless siren with solar power
-29 % off new 629,- New 889,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Siren - closed system, area of use: security, power supply: Battery-Powered, Solar and USB
TESLA Smart Gas Sensor - Gas Leak Detector
TESLA Smart Gas Sensor
639,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating...
Dahua DHI-HY-GC20C - Gas Leak Detector
Dahua DHI-HY-GC20C
649,-
In stock 3 pcs at the supplier's
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 50 to 300 ppm, battery-powered, detection reach 40 m, reaction time 10 s, acoustic signals, signal volume...
EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement - Motion Sensor
EVOLVEO Alarmex Pro (ACSALMPIRP) wireless PIR motion sensor with immunity to small animal movement
-5 % off new 649,- New 689,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sensor - for alarm, Exterior and Interior, battery powered, input voltage: 9 V, reach of 80m, compatible with Tuya, connection via WiFi 2,4 GHz and GSM, battery indication,...
FireAngel FA6111 optical fire detector with LED emergency lighting - Smoke Detector
FireAngel FA6111 optical fire detector with LED emergency lighting
649,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, battery indication, operating temperature from 4 to 38 °C, operating humidity up to 90 %, standalone unit...
SAFE 808 Combustible and Explosive Gas Detector - Natural Gas Detector - Gas Leak Detector
SAFE 808 Combustible and Explosive Gas Detector - Natural Gas Detector
649,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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,...
RETLUX RDT 301 - Gas Leak Detector
RETLUX RDT 301
649,-
Currently Unavailable
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 100 to 300 ppm, gas detection sensitivity 50 ppm, battery-powered, acoustic signals, signal volume 85 dB,...
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BOT Smart gas detector WiFi GS4 - Gas Leak Detector
BOT Smart gas detector WiFi GS4
-9 % off new 659,- New 729,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY5 626,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 5 % s kódem ALZADNY5. Klikněte a kód se uplatní automaticky.
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 90 dB, display, features alarm, cover material...
EVOLVEO wireless smoke and temperature detector for Alarmex/Sonix - Smoke Detector
EVOLVEO wireless smoke and temperature detector for Alarmex/Sonix
from  636,-
Ordered on request
Smoke Detector - detects temperature, battery-powered , acoustic signals, signal volume 85 dB, features: test button, operating temperature from 4,4 to 37,8 °C, operating humidity...
WiZ Contact sensor - Door and Window Sensor
WiZ Contact sensor
669,-
Currently Unavailable
Door and Window Sensor - wireless, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, battery indication, night orientation light and adjustable...
View
TESLA Smart Water Sensor - Water Leak Detector
TESLA Smart Water Sensor
669,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Tellur WiFi Smart occupancy sensor, 2.4GHz radar sensor, USB-C, white - Motion Sesnor
Tellur WiFi Smart occupancy sensor, 2.4GHz radar sensor, USB-C, white
669,-
In stock 4 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Manufacturer app, range: security, power supply: USB,
Tellur WiFi Smart Flood Sensor, AAA, white - Water Leak Detector
Tellur WiFi Smart Flood Sensor, AAA, white
-12 % off new 679,- New 779,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects water gas, battery-powered, range: 1 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, battery indication, standalone...
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