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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 159 Kč incl. VAT. Is this what you’re looking for?
All from 374
Smartlife Zigbee Smart Water Leak Detector - Water Leak Detector
Smartlife Zigbee Smart Water Leak Detector
599,-
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: 30 m, sound level: 70dB, compatible with Google Home, Tuya and IFTTT, battery indication, central unit required to...
Added to cart
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MOES Human Presence Sensor + Light Sensor, Zigbee - Motion Sesnor
MOES Human Presence Sensor + Light Sensor, Zigbee
599,-
Currently Unavailable
Motion Sesnor , open system with detection motion, range: security, power supply: USB,
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BOT Smart Zigbee GS2 gas detector - Gas Leak Detector
BOT Smart Zigbee GS2 gas detector
-4 % off new 599,- New 629,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY10 539,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. 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,...
Added to cart
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Meross Smart Water Leak Sensor Kit - Sensor
Meross Smart Water Leak Sensor Kit
Discounted -17 % 599,- 729,-
In stock > 5 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY25 449,- 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.
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...
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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
Added to cart
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Kidde Fire and Smoke Detector 10Y29 - Smoke Detector
Kidde Fire and Smoke Detector 10Y29
599,-
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - signal volume 85 dB, standalone unit
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SwitchBot Water Leak Detector with Sensor Cable - Sensor
SwitchBot Water Leak Detector with Sensor Cable
609,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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,...
Added to cart
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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
Motion Sesnor , closed system with detection motion compatible with Google Home and EZVIZ, range: security, application in English, Czech, German and Hungarian, power supply:...
Added to cart
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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 24/06/2026
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...
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EMOS GoSmart Water Leak Detector P56000S, ZigBee - Water Leak Detector
EMOS GoSmart Water Leak Detector P56000S, ZigBee
-7 % off new 619,- New 669,-
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, sound level: 85dB, compatible with Tuya, Lidl Home, Smartlife, EMOS GoSmart and Manufacturer app, battery indication,...
Added to cart
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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...
Added to cart
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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 ALZADNY10 566,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. 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,...
Added to cart
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FireAngel Temperature detector FA6215 - Smoke Detector
FireAngel Temperature detector FA6215
Discounted -4 % 629,- 659,-
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, features: test button, operating temperature from 4 to 38 °C, operating humidity up to 90 %, battery...
Added to cart
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CO-man Mini C11-L stand-alone carbon monoxide fire detector - Gas Leak Detector
CO-man Mini C11-L stand-alone carbon monoxide fire detector
629,-
In stock > 5 pcs at the supplier's
Gas Leak Detector - detects CO (carbon monoxide), measurement range to 999 ppm, battery-powered, acoustic signals, signal volume 85 dB, battery indication and display, cover...
Added to cart
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FireAngel ST 622 Fire and Smoke Detector - Smoke Detector
FireAngel ST 622 Fire and Smoke Detector
Discounted -10 % 629,- 699,-
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, features: test button and temporary shutdown, operating temperature from 4 to 38 °C,...
Added to cart
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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
Buy with code ALZADNY10 575,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky.
Gas Leak Detector - mains power supply, detection reach 50 m, acoustic, visual signals, notifications via push notifications, features reset, cover material plastic, operating...
Added to cart
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FireAngel FA6111 optical fire detector with LED emergency lighting - Smoke Detector
FireAngel FA6111 optical fire detector with LED emergency lighting
649,-
In stock 2 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...
Added to cart
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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,...
Added to cart
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EVOLVEO SecuPro, wireless siren with solar power - Siren
EVOLVEO SecuPro, wireless siren with solar power
-26 % off new 659,- New 899,-
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
Added to cart
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Empt Smart water leak detector with WiFi - Water Leak Detector
Empt Smart water leak detector with WiFi
659,-
In stock 4 pcs at the supplier's
Water Leak Detector - detects water gas, battery-powered, compatible with Tuya and Smartlife, connect via WiFi 2,4 GHz, standalone functional unit,, app with Czech language support...
Added to cart
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EMOS GoSmart Water Leak Detector P56000S, ZigBee - Water Leak Detector
EMOS GoSmart Water Leak Detector P56000S, ZigBee
669,-
In stock > 5 pcs at the supplier's
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
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WiZ Contact sensor - Door and Window Sensor
WiZ Contact sensor
669,-
In stock 2 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...
Added to cart
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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
Buy with code ALZADNY10 602,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky.
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...
Added to cart
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BOT Smart Vibration Sensor VB1 Zigbee - Vibration Detector
BOT Smart Vibration Sensor VB1 Zigbee
679,-
In stock > 5 pcs at the supplier's
Buy with code ALZADNY10 611,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky.
Vibration Detector - detects vibration gas, battery-powered, range: 30 m, compatible with Tuya and Smartlife, connect via WiFi 2,4 GHz and WiFi 5 GHz, central unit required to...
Added to cart
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