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
SONOFF SenseGuard Presence Core 24GHz Zigbee Human Presence Sensor
BLACK FRIDAY -17 %
24.67 €
29.90 €
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 and Human presence compatible with eWeLink, range: security, power supply: USB,
IMMAX NEO Smart Occupancy Sensor, Zigbee 3.0
BLACK FRIDAY -40 %
24.90 €
41.53 €
In stock at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz and WiFi 5 GHz, open system with detection motion and Lights compatible with Apple Siri shortcuts, Tuya and Immax NEO PRO, range:...
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 - Sensor extension cable for Eve water guard, for triggering notifications of possible accidents, can be connected up to 150 m, length 2 m
RETLUX RDT 301
24.90 €
In stock > 5 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
25.07 €
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,
BOT Smart Vibration Sensor VB1 Zigbee
BLACK FRIDAY -11 %
25.08 €
28.21 €
In stock at the supplier's
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...
EVOLVEO Defender D5
25.10 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
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 1 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...
Kidde Fire and Smoke Detector 10Y29
25.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - signal volume 85 dB, standalone unit
iGET SECURITY MP31 - Wireless PIR Curtain Motion Sensor for M6-4G Alarm
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
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 4 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
25.99 €
Currently Unavailable
Humidity Sensor - humidity measurement with 5% accuracy, mains powered, optical signalling, plastic housing, operating temperature from 0 to 40°C, IP20 protection rating, input...
ELEKTROBOCK SN131-TR humidity sensor
25.99 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Humidity Sensor - measures humidity with 5% accuracy, mains-powered, optical signaling, plastic casing, operating temperature 0–40°C, IP20 protection rating, 230V input voltage,...
Shelly Blu Motion, Bluetooth
BLACK FRIDAY -10 %
26 €
28.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Bluetooth, open system with detection motion compatible with Samsung SmartThings, range: home control, application in English, Czech, German, Slovak...
Honeywell Home R200S-2 Fire detector alarm - smoke sensor (optical principle), battery operated
BLACK FRIDAY -10 %
26 €
28.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button and alarm, cover material plastic, operating...
AQARA Motion and Light Sensor P2
BLACK FRIDAY -25 %
26.24 €
34.99 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through Bluetooth, open system with detection motion and Lights compatible with Apple Home and Aqara Home, range: lighting and security, application in...
Elektrobock LM218A
26.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
- detects CO (carbon monoxide), measurement range from 10 to 550 ppm, battery-powered, acoustic signals, signal volume 85 dB, display, features test button and alarm, cover...
BOT Smart gas detector WiFi GS4
BLACK FRIDAY -11 %
26.93 €
30.29 €
In stock at the supplier's
Gas Leak Detector - mains power supply, detection reach 20 m, acoustic signals, notifications via push notifications, signal volume 90 dB, display, features alarm, cover material...
SAFE 808 Combustible and Explosive Gas Detector - Natural Gas Detector
27.19 €
Currently Unavailable
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,...
frient Water Leak Probe Sensor
27.42 €
In stock 3 pcs at the supplier's
Water Leak Detector - detects Water gas, battery-powered, compatible with Samsung SmartThings, Home Assistant and Homey, central unit required to function,, app with Czech language...
FireAngel FA3313 CO detector with two replaceable AA batteries
27.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, battery indication, features test button, temporary shutdown and self-diagnostics, cover...
FireAngel ST 622 Fire and Smoke Detector
27.90 €
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,...
No longer sold
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