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?
361
Results
SAFE Door Guard, white
Sensor - Wireless magnetic door and window security detector Powered by a replaceable battery that allows continuous operation for up to 5 years, white colour
Great price
36.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
SAFEH26009
FireAngel FA3820 CO detector with integrated power supply for 10 years of operation
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, signal volume 85 dB, battery indication, features test button, temporary shutdown and self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 20 to 50 %, standalone unit
EVOLVEO SecuPro, wireless siren with solar power
Siren - closed system, area of use: security, power supply: Battery-Powered, Solar and USB
MOES Smoke Detector, Zigbee
Smoke Detector - temperature measurement from 0 to 55 °C, battery-powered , detection reach 15 m, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features: alarm, cover material plastic, operating temperature from 0 to 55 °C, battery and mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
37.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Moes22_38
EZVIZ Smoke detector T4C
Smoke Detector - battery-powered , acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication, features: test button and temporary shutdown, operating temperature from -10 to 55 °C, operating humidity up to 95 %, battery included, compatible with EZVIZ, standalone unit requires a central hub, app language options: Czech and English , compatible with Android and iOS
Great price
37.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
EZVIZ23_12
Honeywell XH100-CSSK-A, Smart Smoke Detector X-Series (Thermal Principle), ScanApp, Battery Powered
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, standalone unit
38.84 €
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
HM040a6
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
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 dB, features test button, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, ingress protection IP44, input voltage 3V, battery included, standalone unit
Buy with code
ALZADNI10
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky.
39.51 €
-4 % off new
43.90 €
New 45.90 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
HNW22_01
EMOS PIR DALI sensor (motion sensor), IP54, white
Motion Sesnor , open system with detection motion, range: lighting, power supply: Power plug,
IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi
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 Czech and 60 other languages compatible with iOS, Android, with voice assistants - Apple Siri shortcuts and TUYA systems, LIDL.
Buy with code
ALZADNI30
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získajte zľavu 30 % s kódom ALZADNI30. Kliknite a kód sa uplatní automaticky.
39.83 €
-9 % off new
56.90 €
New 63.04 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
IMMX25092
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi
Smoke Detector - detects gas, measurement range from 50 to 300 ppm, battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, compatible with Tuya, standalone unit, app language options: Czech and English , compatible with Android and iOS
-4 % off new
39.90 €
New 41.72 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
iQ21TECH134
frient Motion Sensor Pro
Motion Sesnor , open system with detection motion, Lights and temperature compatible with Samsung SmartThings and Home Assistant, range: lighting, security and home control, application in English, Czech, German, Slovak, Hungarian, In Polish, In Spanish, In French and In Italian, power supply: Battery-Powered,
X-Sense SC07-MR RF Combined Smoke and CO Detector for SB550 Station
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 notifications, signal volume 85 dB, battery indication, display and protection against sabotage, features: test button, hours and alarm, cover material plastic, operating temperature from -4 to 38 °C, operating humidity from 0 to 85 %, ingress protection IP20, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Buy with code
ALZADNI20
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky.
40.72 €
50.90 €
On the way > 5 pcs
Expected 05/11/2026
Order Code:
XSEN26004
X-Sense XS01-WX Wi-Fi Smoke Detector
Smoke Detector - battery-powered , reaction time 1 s, acoustic, visual signals, notifications via push notifications, signal volume 85 dB, battery indication and protection against sabotage, features: test button and alarm, cover material plastic, operating temperature from -4 to 38 °C, operating humidity from 0 to 85 %, ingress protection IP20, mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
Buy with code
ALZADNI20
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky.
40.72 €
50.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
XSEN26003
Honeywell R200C-2, Carbon monoxide detector and detector, CO Alarm
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 dB, features test button, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 25 to 95 %, ingress protection IP44, input voltage 3V, battery included, standalone unit
Buy with code
ALZADNI10
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získajte zľavu 10 % s kódom ALZADNI10. Kliknite a kód sa uplatní automaticky.
41.31 €
45.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
HNW22_01
iQtech SmartLife CS01W Combo CO + Smoke Detector, Wi-Fi
Smoke Detector - detects gas, measurement range from 50 to 300 ppm, battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, compatible with Tuya, standalone unit, app language options: Czech and English , compatible with Android and iOS
41.72 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
iQ21TECH134
IMMAX NEO Smart Occupancy Sensor, Zigbee 3.0
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: lighting, electrical installation and security, application in English, Czech, German and Hungarian, power supply: Power plug and USB,
SAFE Dry Relay
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), bi-directional power supply 7-24 V DC, range up to 1 200 m (OP) Cloud update, LED signalling, compatible with SAFE Hub 2 Plus LTE
SAFE Water Guard, white
Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
41.90 €
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
SAFEH26005
MOES Mini CO Detector, grey
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 plastic, operating temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
41.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Moes2512
MOES Mini CO Detector, orange
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 temperature from -10 to 50 °C,, input voltage 24 V, power cable included, standalone unit
41.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Moes2513
MOES CO Detector, Zigbee
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, notifications via push notifications, signal volume 85 dB, battery indication, features self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C,, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
Flammable and Explosive Gas Detector SAFE 808L (Natural Gas)
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, display, features test button, self-diagnostics and alarm, cover material plastic, operating temperature from 0 to 50 °C, ingress protection IP30, input voltage 230 V, mounting kit included, standalone unit
TESLA SecureQ TS01
Motion Sesnor , connect through Radio frequency, closed system with detection motion, Lights and Human presence compatible with Tuya, Smartlife and Tesla Smart, range: security and home control, application in English, Czech and German, power supply: Battery-Powered,
New arrival
41.91 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
TSL26010
Eufy Security Water and Freeze Sensor
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 function, app with English language support for Android and iOS
Buy with code
ALZADNI20
The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart.
Získajte zľavu 20% s kódom ALZADNI20. Kliknite a kód sa uplatní automaticky.
43.12 €
53.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code:
Anker24014
Chcete doručit do České republiky? Jdi na
Detektory
Für den Versand nach Deutschland, besuchen Sie bitte
Detektoren und Sensoren
Für den Versand nach Österreich, besuchen Sie bitte
Detektoren und Sensoren
Magyarországra rendelnél? Látogasd meg ezt a termékkategóriát
Szivárgás érzékelők és detektorok
