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 368
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
BLACK FRIDAY -10 %
41.30 €
45.90 €
In stock
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...
SAFE Dry Relay
41.89 €
Currently Unavailable
Smart Module - wireless relay for switching external devices, 1× NO/NC relay (0-36 V DC, max. 5 A), 1× sabotage input, encrypted communication 868.0-868.6 MHz (AES128),...
SAFE Water Guard, white
41.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
MOES Mini CO Detector, grey
41.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - measurement range from 0 to 1000 ppm, deviation 100 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material...
MOES Mini CO Detector, orange
41.90 €
Currently Unavailable
Gas Leak Detector - measurement range from 0 to 1000 ppm, reaction time 2 s, acoustic signals, battery indication and display, features alarm, cover material plastic, operating...
Meross Smart Presence Sensor
41.90 €
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - dual detection technology, accurate presence detection even without motion, range up to 12 m, intelligent lighting automation, minimising false alarms, HomeKit...
Eufy Motion Sensor - White
41.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: security, application in English, power supply: Battery-Powered,
IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi
BLACK FRIDAY -30 %
43.90 €
63.04 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Honeywell Home R200ST-N2 Interconnected fire alarm detector - smoke (optical) and temperature princi
BLACK FRIDAY -10 %
44 €
48.90 €
In stock
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...
EVOLVEO Alarmex Pro ( ACSALMOUS) wireless outdoor light and sound siren
-15 % off new
44.90 €
New 52.90 €
Unsealed - in stock 1 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
AQARA Presence Sensor FP1E (PS-S03D), Zigbee
BLACK FRIDAY -10 %
45.80 €
50.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Aqara Home and Manufacturer app, range: lighting and security, application in...
SAFE Door Guard Plus, white
-8 % off new
45.90 €
New 49.90 €
Unsealed - in stock 1 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...
Honeywell Home R200C-N2, Connected Carbon Monoxide Detector and Detector, CO Alarm
-13 % off new
45.90 €
New 53 €
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, detection reach 100 m, acoustic...
SAFE Glass Guard, white
BLACK FRIDAY -10 %
46.70 €
51.90 €
In stock
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...
Kidde 7DCO CO Detector with Alarm (Gas Leak Sensor)
46.90 €
Currently Unavailable
Gas Leak Detector - detects CO (carbon monoxide), signal volume 85 dB, standalone unit
Multifunctional digital CO detector FireAngel FA3322 with LCD display
-16 % off new
46.90 €
New 55.90 €
Unsealed - in stock 1 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 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...
Philips Hue Motion Sensor
48.90 €
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...
frient Water Leak Detector
49.40 €
In stock 5 pcs at the supplier's
Water Leak Detector - detects Water gas, battery-powered, range: 100 m, reaction time: 1s, sound level: 85dB, compatible with Samsung SmartThings, Home Assistant and Homey, battery...
SAFE Door Guard Plus, white
49.90 €
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...
TP-Link Tapo T150 Smart Human Presence 5-in-1 sensor
New arrival
50.90 €
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through Radio frequency, open system with detection motion, Lights, temperature, Humidity and Human presence compatible with Tapo App, range: lighting,...
iGET SECURITY MP30 – Wireless Outdoor Motion PIR Sensor for M6-4G Alarm
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,...
SAFE Fire Guard, white
-12 % off new
50.90 €
New 58.01 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - wireless fire detector with groundbreaking dual-spectrum detection and SIC technology, It can operate in a SAFE system or completely autonomously. Battery powered for up...
No longer sold
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