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Hundreds of categories, thousands of products, millions of details and user reviews for detectors. How can you make sense of all of this? Try our Alza Test, which guarantees an objective selection based on customers' experiences. How the products from detectors rank are based solely on various data and feedback from actual people who have purchased the products.

All detectors
All from 394
ELEKTROBOCK SN131-RE Humidity Sensor - Humidity Sensor
ELEKTROBOCK SN131-RE Humidity Sensor
New arrival 619,-
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Humidity Sensor
Added to cart
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ELEKTROBOCK Air Quality Sensor SN121-AN - Air Quality Meter
ELEKTROBOCK Air Quality Sensor SN121-AN
New arrival 2,490,-
From 115,- per month
In stock 2 pcs
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...
Added to cart
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X-Sense XH02-M RF Temperature Sensor for SB550 Station - Temperature Sensor
X-Sense XH02-M RF Temperature Sensor for SB550 Station
New arrival 799,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 679,-
Temperature Sensor
Added to cart
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X-Sense SBS50 Base Station for the X-Sense RF Security System - Smart Module
X-Sense SBS50 Base Station for the X-Sense RF Security System
New arrival 799,-
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 679,-
Smart Module - X-Sense central unit, connects up to 50 RF devices and sends notifications to the app
Added to cart
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frient Motion Sensor 2 Pet - Motion Sesnor
frient Motion Sensor 2 Pet
New arrival 1,049,-
In stock > 5 pcs at the supplier's
Motion Sesnor , open system with detection motion, Lights and temperature, range: lighting, security, windows, doors, gates and home control, application in English, power supply:...
Added to cart
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SONOFF SenseGuard Presence Core 24GHz Zigbee Human Presence Sensor - Motion Sesnor
SONOFF SenseGuard Presence Core 24GHz Zigbee Human Presence Sensor
New arrival 699,-
In stock > 10 pcs
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,
Added to cart
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BOT Zigbee ZMR1 Smart Motion Sensor - Motion Sesnor
BOT Zigbee ZMR1 Smart Motion Sensor
409,-
In stock 5 pcs at the supplier's
Buy with code ALZADNY10 368,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky.
Motion Sesnor , open system with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply: USB,
Added to cart
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BOT Smart Water Leak Sensor Zigbee ZWL2 - Water Leak Detector
BOT Smart Water Leak Sensor Zigbee ZWL2
379,-
In stock > 10 pcs at the supplier's
Buy with code ALZADNY10 341,- The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Získejte slevu 10 % s kódem ALZADNY10. Klikněte a kód se uplatní automaticky.
Water Leak Detector - detects Water gas, battery-powered, range: 50 m, sound level: 90dB, compatible with Tuya, central unit required to function,, app with Czech language support,...
Added to cart
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Homematic IP Water Stop and Supply Unit - Water Leak Detector
Free delivery
Alzaboxes and stores
Homematic IP Water Stop and Supply Unit
27,990,-
In stock 1 pcs at the supplier's
Water Leak Detector - detects Water gas, mains and battery power, compatible with Homematic IP, connection via radio waves, central unit required to function,, app with Czech...
Added to cart
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Philips Motion Sensor with Batteries - Motion Sesnor
Philips Motion Sensor with Batteries
619,-
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with IFTTT and WiZ Connected, range: lighting, application in Czech, power supply:...
Added to cart
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ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - salt disinfection - Detector
ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - salt disinfection
12,799,-
From 273,- per month
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Add AlzaPlus+ and save instantly 11,519,-
Detector - smart water monitor, sensors monitoring the water temperature, water quality analysis, intuitive, low maintenance, Compatible with systems using salt for water...
Added to cart
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Garsaco Motion sensor for E27 bulb in E27 socket GSC, 3 years warranty - Motion Sesnor
Garsaco Motion sensor for E27 bulb in E27 socket GSC, 3 years warranty
239,-
In stock > 10 pcs at the supplier's
Motion Sesnor , closed system with detection motion and Solar radiation intensity, range: lighting, power supply: Power plug,
Added to cart
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SAFE Motion Guard Outdoor, white - Motion Sesnor
SAFE Motion Guard Outdoor, white
4,991,-
From 118,- per month
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 and German,...
Added to cart
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SAFE Motion Cam Outdoor (PhOD), white - Motion Sesnor
SAFE Motion Cam Outdoor (PhOD), white
6,991,-
From 166,- per month
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 and German,...
Added to cart
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EMOS Microwave sensor (motion sensor) IP20, 2000 W, 360°, mounted - Motion Sesnor
EMOS Microwave sensor (motion sensor) IP20, 2000 W, 360°, mounted
429,-
In stock > 10 pcs at the supplier's
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Added to cart
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EMOS GoSmart PIR sensor (motion sensor) IP20, 60°, ZigBee - Motion Sesnor
EMOS GoSmart PIR sensor (motion sensor) IP20, 60°, ZigBee
479,-
In stock > 10 pcs at the supplier's
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Tuya, Lidl Home, Smartlife and EMOS GoSmart, range: lighting and security,...
Added to cart
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Bentech C686 WiFi autonomous carbon monoxide detector - Gas Leak Detector
Bentech C686 WiFi autonomous carbon monoxide detector
Discounted -17 % 499,- 604,-
In stock > 10 pcs at the supplier's
Gas Leak Detector - detects CO (carbon monoxide), measurement range from 30 to 300 ppm, gas detection sensitivity 100 ppm, battery-powered, acoustic, visual signals, notifications...
Added to cart
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Ajax MotionCam HDR, black - Motion Sesnor
Ajax MotionCam HDR, black
5,247,-
From 124,- per month
In stock > 5 pcs
2 colors
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
Added to cart
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Ajax MotionCam HDR (PhOD) Jeweller, black - Motion Sesnor
Ajax MotionCam HDR (PhOD) Jeweller, black
5,770,-
In stock > 5 pcs at the supplier's
2 colors
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
Added to cart
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Ajax MotionCam HDR, white - Motion Sesnor
Ajax MotionCam HDR, white
5,247,-
In stock > 5 pcs at the supplier's
2 colors
Motion Sesnor , closed system with detection motion compatible with Ajax, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
Added to cart
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SAFE Starter Kit Fire Cam, white - Security Kit
SAFE Starter Kit Fire Cam, white
Discounted -19 % 11,390,- 14,191,-
From 270,- per month
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Security Kit - for early fire detection with visual inspection, includes Hub 2 Plus LTE, Fire Guard and Turret Cam AI, instant notifications in ProSAFE, encrypted communication...
Added to cart
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SAFE SET FIRE BASIC - 1x SAFE50HUB-WRF, 2x SAFE10Y30-RF - Security Kit
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...
Added to cart
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SAFE SET FIRE BASIC PLUS - 1x SAFE50HUB-WRF, 3x SAFE10Y30-RF - Security Kit
SAFE SET FIRE BASIC PLUS - 1x SAFE50HUB-WRF, 3x SAFE10Y30-RF
3,490,-
In stock > 5 pcs at the supplier's
Security Kit - includes 1x central unit (SAFE50HUB-WRF) and 3 x fire detectors (SAFE10Y30-RF), The set offers extended smoke and fire protection for the home, Wirelessly connected...
Added to cart
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SAFE Starter Kit Fire, white - Security Kit
SAFE Starter Kit Fire, white
8,990,-
In stock > 5 pcs at the supplier's
Add AlzaPlus+ and save instantly 8,541,-
Security Kit - wireless for early fire detection, includes Hub 2 Plus LTE and 3× Fire Guard, instant notifications in ProSAFE, encrypted communication (AES128), backup via LTE (2×...
Added to cart
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