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 Elektrobock CN11 Mini marked at 7.19 € incl. VAT. Is this what you’re looking for?
All from 348
Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor)
46.90 €
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
Combined Fire Detector and CO FireAngel SCB10
47.90 €
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...
Multifunctional digital CO detector FireAngel FA3322 with LCD display
-17 % off new
47.90 €
New 57.90 €
As good as new - in stock 1 pcs
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating...
Kidde CO detector with alarm K7CO - moisture resistant
47.99 €
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...
Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi
48.90 €
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...
SAFE Door Guard Plus, white
49.90 €
In stock 3 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...
Philips Hue Motion Sensor
49.90 €
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...
iGET SECURITY MP30 – Wireless Outdoor Motion PIR Sensor for M6-4G Alarm
New arrival
50.90 €
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,...
X-Sense SC07-MR RF Combined Smoke and CO Detector for SB550 Station
50.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - detects CO (carbon monoxide), gas, measurement range from 30 to 999 ppm, battery-powered , reaction time 1 s, acoustic, visual signals, notifications via push...
X-Sense XS01-WX Wi-Fi Smoke Detector
50.90 €
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...
Combined Detector of CO, Flammable and Explosive Gases SAFE 808COM
50.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), natural gas, propane-butane, measurement range to 2500 ppm, mains power supply, reaction time 20 s, acoustic, visual signals,...
WiZ Contact sensor 2pack
51.71 €
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...
SAFE Glass Guard, white
51.90 €
In stock 2 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...
EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren
52.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Siren - closed system, area of use: security, OS supported: Android and iOS, compatible with Manufacturer app, power supply: Power plug, in Czech and English
Homematic IP PIR motion detector with brightness sensor - indoor - HmIP-SMI
53.85 €
Currently Unavailable
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in Czech, power supply: Battery-Powered,
Eufy Security Water and Freeze Sensor
53.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, battery-powered, range: 200 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, central unit required to...
Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
-6 % off new
53.90 €
New 57.90 €
Unsealed - in stock 1 pcs
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,...
frient Intelligent Smoke Alarm
New arrival
54.25 €
Currently Unavailable
Smoke Detector - battery-powered , detection reach 10 m, reaction time 2 s, acoustic signals, signal volume 85 dB, battery indication, features: test button and temporary shutdown,...
SAFE Motion Guard, white
54.90 €
In stock > 5 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...
Multifunctional digital CO detector FireAngel FA3322 with LCD display
-5 % off new
54.90 €
New 57.90 €
Unsealed - in stock 1 pcs
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features alarm, cover material plastic, operating...
IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi
-9 % off new
56.90 €
New 63.04 €
As good as new - in stock 1 pcs
Add AlzaPlus+ and save instantly
48.37 €
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...
Ajax DoorProtect White
57.79 €
Currently Unavailable
Door and Window Sensor - wireless, compatible with Ajax, connect via Radio frequency, range of 1200m, central unit required, supported OS: Android, Windows and iOS, application in...
Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
57.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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,...
Eve Motion (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
57.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Lights compatible with Apple Home, Google Home and Samsung SmartThings, range: lighting, security...
No longer sold
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