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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 395
frient Motion Sensor 2 Pet - Motion Sesnor
frient Motion Sensor 2 Pet
Discounted -13 % 1,049,- 1,209,-
In stock > 5 pcs at the supplier's
Motion Sesnor , open system with detection motion, Light and temperature, range: lighting, security, windows, doors, gates and home control, application in English, power supply:...
Added to cart
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SAFE Door Guard Plus, white - Sensor
SAFE Door Guard Plus, white
1,079,-
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - wireless magnetic open, shock and tilt detector for window and door security Powered by a replaceable battery that allows continuous operation for up to 4 years, white...
Added to cart
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SAFE Glass Guard, white - Sensor
SAFE Glass Guard, white
Discounted -4 % 1,079,- 1,131,-
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - wireless glass breakage detector for security of glazed surfaces equipped with two NC inputs, Multi-factor glass breakage detection with the possibility of remote...
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Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm - Gas Leak Detector
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
1,079,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, acoustic signals, signal volume 85...
Added to cart
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Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm - Gas Leak Detector
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
1,089,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, acoustic signals, signal volume 85...
Added to cart
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Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor) - Gas Leak Detector
Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor)
1,099,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
Added to cart
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Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa) - Door and Window Sensor
Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
1,399,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 1,119,- 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.
Door and Window Sensor - wireless, compatible with Apple Home, Google Home and Samsung SmartThings, connect via Bluetooth, central unit required, supported OS: Android and iOS,...
Added to cart
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Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa) - Motion Sesnor
Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
1,399,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY20 1,119,- 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.
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Light compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security...
Added to cart
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Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi - Smoke Detector
Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi
1,148,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating...
Added to cart
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Philips Hue Motion Sensor - Motion Sesnor
Philips Hue Motion Sensor
1,159,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Bluetooth, open system with detection motion compatible with Apple Home, range: lighting, application in English, Czech, German, Slovak and...
Added to cart
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SAFE Motion Guard, white - Sensor
SAFE Motion Guard, white
Discounted -4 % 1,169,- 1,226,-
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - wireless motion detector equipped with dual PIR sensor detecting motion at a distance of up to 12 meters, PET immunity up to a weight of 18 kg and 50 cm height, The...
Added to cart
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AQARA Presence Sensor FP1E (PS-S03D), Zigbee - Motion Sesnor
AQARA Presence Sensor FP1E (PS-S03D), Zigbee
1,199,-
On the way 3 pcs
Expected 27/08/2026
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Aqara Home and Manufacturer app, range: lighting and security, application in...
Added to cart
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Kidde CO detector with alarm K7CO - moisture resistant - Gas Leak Detector
Kidde CO detector with alarm K7CO - moisture resistant
1,199,-
Currently Unavailable
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 0 ppm, battery-powered, acoustic signals, signal volume 85 dB, features test button, cover material...
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iGET SECURITY MP30 – Wireless Outdoor Motion PIR Sensor for M6-4G Alarm - Motion Sesnor
iGET SECURITY MP30 – Wireless Outdoor Motion PIR Sensor for M6-4G Alarm
New arrival 1,199,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech, Slovak,...
Added to cart
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X-Sense SC07-MR RF Combined Smoke and CO Detector for SB550 Station - Smoke Detector
X-Sense SC07-MR RF Combined Smoke and CO Detector for SB550 Station
New arrival 1,199,-
On the way 2 pcs
Expected 26/08/2026
Smoke Detector - detects CO (carbon monoxide), measurement range from 30 to 999 ppm, battery-powered , reaction time 1 s, acoustic, visual signals, notifications via push...
Added to cart
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X-Sense XS01-WX Wi-Fi Smoke Detector - Smoke Detector
X-Sense XS01-WX Wi-Fi Smoke Detector
New arrival 1,199,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , reaction time 1 s, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against...
Added to cart
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WiZ Contact sensor 2pack - Door and Window Sensor
WiZ Contact sensor 2pack
1,239,-
In stock 1 pcs at the supplier's
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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Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm - Gas Leak Detector
Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm
1,398,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY10 1,258,- 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 - detects CO (carbon monoxide), smoke, measurement range from 3 to 330 ppm, gas detection sensitivity 28 ppm, battery-powered, detection reach 100 m, acoustic...
Added to cart
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IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi - Sensor
IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi
-6 % off new 1,409,- New 1,499,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Buy with code ALZADNY10 1,268,- 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.
Sensor - precise measurement using ultrasonic technology, suitable for any type of liquid, IP65 resistance, possibility of connection to a smart water valve, Immax NEO PRO app in...
Added to cart
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KIDDE Combination smoke detector KIDDE-K10SCO - Smoke Detector
KIDDE Combination smoke detector KIDDE-K10SCO
1,289,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - detects CO (carbon monoxide), measurement range from 0 ppm, battery-powered , acoustic signals, signal volume 85 dB, battery indication, cover material plastic,...
Added to cart
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EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren - Siren
EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren
1,289,-
In stock 3 pcs
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English
Added to cart
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Homematic IP PIR motion detector with brightness sensor - indoor - HmIP-SMI - Motion Sesnor
Homematic IP PIR motion detector with brightness sensor - indoor - HmIP-SMI
1,290,-
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in Czech, power supply: Battery-Powered,
Added to cart
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Combined Fire Detector and CO FireAngel SCB10 - Gas Leak Detector
Combined Fire Detector and CO FireAngel SCB10
1,299,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), smoke, battery-powered, acoustic signals, battery indication, features alarm, cover material plastic, battery and mounting kit...
Added to cart
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BOSCH FILIO AKU Gas Cylinder Level Indicator 0.603.684.000 (2 × AAA) - Gas Leak Detector
BOSCH FILIO AKU Gas Cylinder Level Indicator 0.603.684.000 (2 × AAA)
New arrival 1,301,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - propane-butane detection, battery powered, 5s response time, audible and visual signalling, battery status indication, alarm function, plastic housing material,...
Added to cart
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