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 119 Kč incl. VAT. Is this what you’re looking for?
All from 419
Homematic IP PIR motion detector with brightness sensor - outdoor, anthracite - HmIP-SMO-A-2
2,090,-
In stock > 5 pcs at the supplier's
Motion Sesnor , closed system with detection motion, range: security, power supply: Battery-Powered,
Homematic IP PIR motion detector with brightness sensor - outdoor - HmIP-SMO-2
2,090,-
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion, range: lighting, heating and cooling and security, application in Czech, power supply:...
Ajax MotionProtect Black
2,155,-
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,
Ajax MotionProtect White
2,155,-
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English and Czech, power supply: Battery-Powered,
ELEKTROBOCK Air Quality Sensor SN121-AN
BLACK FRIDAY -12 %
2,190,-
2,490,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, deviation 50 ppm, gas detection sensitivity 1 ppm, temperature measurement from 0 to 50...
ERMENRICH Gas detector NG40 84092
2,199,-
In stock 1 pcs at the supplier's
Gas Leak Detector - measurement range from 0 to 10000 ppm, battery power, acoustic, optical signalling, battery status indication and display, reset and alarm functions, operating...
Nice Motion-Control FGMS-001
2,223,-
Currently Unavailable
Motion Sesnor - indoor, PIR (passive infrared) sensor and accelerometer sensor, Z-Wave radio connection, compatible with Yubii Home Center app, battery-powered, works standalone...
X-Sense FS31 (3+1) Set of 3 XS01-M Wireless Smoke Detectors with SB550 Base Station
BLACK FRIDAY -15 %
2,289,-
2,699,-
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Smoke Detector - temperature measurement from 4 to 38 °C, humidity measurement, battery-powered , detection reach 500 m, reaction time 1 s, acoustic, visual signals, notifications...
GARNI 206 OneCare
2,349,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, CO₂ (carbon dioxide), measurement range from 400 to 5000 ppm, temperature measurement from -9.9 to 50 °C with accuracy 1 °C,...
Nice Flood-Control FGFS-101
2,372,-
Currently Unavailable
Water Leak Detector - detects temperature, Water and Angle gas, battery-powered, range: 40 m, compatible with Yubii Home Center, connection via radio waves, protection against...
SAFE Motion Cam (PhOD), white
-19 % off new
2,379,-
New 2,969,-
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - wireless dual PIR motion detector with photo camera, images in case of an alarm, or on request (PhOD), Motion detection up to 12 metres, which reliably ignores the...
Homematic IP Smart Meter Interface
2,390,-
In stock 4 pcs at the supplier's
Sensor - interface for smart meters, closed system, operation via central unit, OS Android + iOS, mobile notifications
Homematic IP Interface for gas meter
2,390,-
In stock 4 pcs at the supplier's
Sensor - interface for gas meter, closed system, operation via central unit, OS Android + iOS, mobile notifications
GARNI 210T OneCare
2,489,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -10 to 50 °C with accuracy 0.8 °C, humidity measurement with accuracy 5 %, mains +...
Somfy Door and window sensor
2,499,-
Ordered on request
Door and Window Sensor -, compatible with Manufacturer app, connect via Radio frequency, range of 200m, separately functional unit, supported OS: Android and iOS
Ubiquiti UniFi Smoke and CO Alarm, EU
New arrival
2,499,-
Ordered on request
Smoke Detector - battery-powered , detection reach 2000 m, acoustic signals, protection against sabotage, features: alarm, cover material plastic, operating temperature from 0 to...
Netatmo Smart Carbon Monoxide Alarm
2,599,-
On the way 5 pcs
Expected 09/12/2026
Gas Leak Detector - battery-powered, notifications via push notifications, signal volume 85 dB, battery indication, cover material plastic, compatible with Apple Home, standalone...
Netatmo Smart Smoke Alarm
Great price
2,599,-
Save 191,-
On the way > 5 pcs
Expected 09/12/2026
Smoke Detector - acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, holder and mounting kit...
Ajax MotionProtect Curtain White
2,675,-
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,
Ajax MotionProtect Curtain Black
2,675,-
In stock 3 pcs at the supplier's
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Ajax, range: security, application in English, Czech, German and Slovak, power...
SAFE SET FIRE BASIC - 1x SAFE50HUB-WRF, 2x SAFE10Y30-RF
2,790,-
In stock > 5 pcs at the supplier's
Security Kit - includes 1x central unit (SAFE50HUB-WRF) and 2 x fire detectors (SAFE10Y30-RF), The set offers extended smoke and fire protection for the home, Wirelessly connected...
Ajax MotionProtect Plus White
2,824,-
In stock 1 pcs
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 Ajax, range: security, application in English, power supply: Battery-Powered,
Ajax MotionProtect Plus Black
2,824,-
In stock > 5 pcs at the supplier's
Motion Sesnor , connect through Radio frequency, open system with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,
GARNI 204 OneCare
2,849,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -40 to 70 °C, humidity measurement from 1 to 99 %, mains + battery-powered,...
No longer sold
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