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
FireAngel ST 622 Fire and Smoke Detector
22.90 €
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,...
SIGNIFY 17476/31/PN Virginia outdoor PIR motion sensor IP44, white
Amazing Deal
22.92 €
Save 4.98 €
22.92 €
Save 4.98 €
In stock 5 pcs at the supplier's
Motion Sesnor with detection motion compatible with Manufacturer app, range: lighting, power supply: Power plug,
BOT Smart WiFi GS3
23.75 €
In stock > 10 pcs at the supplier's
Gas Leak Detector - mains power supply, notifications via push notifications, signal volume 70 dB, cover material plastic, operating temperature from -10 to 50 °C, ingress...
CO-man Mini C11-L stand-alone carbon monoxide fire detector
23.75 €
In stock > 10 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...
SONOFF SenseGuard Motion Gen2 Zigbee Motion Sensor SNZB-03PR2
New arrival
23.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , open system with detection motion compatible with Samsung SmartThings, eWeLink and Home Assistant, range: security, power supply: Battery-Powered,
SwitchBot Water Leak Detector
23.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - detection of water level thresholds as low as 0.5 mm, loud alarm, notifications to your mobile phone via the SwitchBot app, sensor compatibility with Wi-Fi and Bluetooth,...
FireAngel FA6120 Optical Fire Detector with integrated battery for 10 years of operation
23.90 €
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, input voltage 3V, mounting kit included, standalone unit
TP-Link Tapo S200D
23.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Dimmers - button to control the intelligent lighting, adjustable actions, multiple light control, can be fixed with screws, with double-sided tape or on any metal surface, battery...
SAFE 808 Combustible and Explosive Gas Detector - Natural Gas Detector
Discounted -7 %
23.90 €
25.90 €
In stock 1 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,...
Smoot Air PIR
24.63 €
In stock 3 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Apple Siri shortcuts and Tuya, range: lighting and security, application in Czech,...
MOES Human Presence Sensor + Light Sensor, Zigbee
24.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , open system with detection motion, range: security, power supply: USB,
SwitchBot Water Leak Detector with Sensor Cable
24.90 €
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,...
Eve Water Guard Connected Water Leak Detector - Cable Extension
24.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Extension Cable -
RETLUX RDT 301
24.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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,...
Tellur WiFi Smart occupancy sensor, 2.4GHz radar sensor, USB-C, white
25.01 €
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,
EVOLVEO Defender D5
Discounted -16 %
25.11 €
29.90 €
On the way 1 pcs
Expected 27/09/2026
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic, visual signals, signal volume 85 dB, battery indication and display, features test button and...
Meross Smart Water Leak Sensor
25.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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...
Emos GS558
25.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - battery-powered , acoustic, visual signals, signal volume 85 dB, battery indication, operating temperature from 10 to 40 °C, operating humidity from 30 to 95 %,...
iGET SECURITY MP31 - Wireless PIR Curtain Motion Sensor for M6-4G Alarm
New arrival
25.90 €
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,...
iGET SECURITY MP1 - Wireless Motion PIR Sensor for M6-4G Alarm, without animal detection up to 35kg
New arrival
25.90 €
In stock > 10 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,...
EZVIZ T1C PIR
25.90 €
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:...
ELEKTROBOCK SN131-RE Humidity Sensor
New arrival
25.99 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Humidity Sensor
ELEKTROBOCK SN131-TR Humidity Sensor
New arrival
25.99 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Humidity Sensor
No longer sold
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