Detectors

Detectors – same-day delivery available. Just make sure the product you want is in stock. Choose products to buy from the comfort of your home and have them delivered to your address, to an AlzaBox, or to one of our stores. Learn more about why shop on Alza.cz.

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7 reasons to shop for Detectors on Alza.cz

  • We have a wide network of stores across the Czech Republic, where we follow all hygiene measures, as well as contactless AlzaBoxes (pick-up points).
  • You can see the availability of each item right away. Don't forget that we deliver on weekends too.
  • We accept most payment methods, including contactless and cryptocurrency.
  • You can easily return or exchange your product at any of our AlzaBoxes.
  • Need assistance? Our customer support is available 24/7.
  • We complement our range with accessories and additional services.
  • You'll find all the essential information for each product, and for some, user reviews to help with your selection.

What to consider when choosing Detectors?

If you're planning to get Detectors, there are a few aspects that can help you choose the right product. In the left menu, you can use the parametric filter to narrow down the selection to match your preferences. We also recommend sorting by popularity or price.

Make your selection easier. Click through our pre-made filters for the category: Detectors

Are you looking for the best Detectors? Browse products sorted by popularity, or consult the reviews from other users.

Cheapest vs. most expensive Detectors

If you are looking for products based on price, you can browse the lowest priced Detectors, or choose to sort by price from highest to lowest.

Detectors – main types

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416 Results
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Shelly Presence Sensor Gen4, White
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, application in English, Czech and Slovak, power supply: Power plug,
BLACK FRIDAY -10 % 1,710,- 1,901,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Shell26038
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X-Sense XC0C-iR Wi-Fi CO Detector
Gas Leak Detector - detects CO (carbon monoxide), 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 4,4 to 38 °C, operating humidity from 10 to 85 %, ingress protection IP20, mounting kit included, standalone unit, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -13 % 689,- 799,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: XSEN26005
4.4 3×
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EVOLVEO wireless water level detector for Alarmex/Sonix
Water Leak Detector - detects Water gas, battery-powered, central unit required to function
  299,-
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: RY202f
1.0 1×
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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.
BLACK FRIDAY -30 % 1,049,- 1,499,-
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In stock
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Order Code: IMMX25092
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FireAngel FA3313 CO detector with two replaceable AA batteries
Gas Leak Detector - detects CO (carbon monoxide), battery-powered, acoustic signals, battery indication, features test button, temporary shutdown and self-diagnostics, cover material plastic, operating temperature from -10 to 40 °C, operating humidity from 30 to 90 %, standalone unit
  699,-
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In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: SAFEH181
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X-Sense XS01-M RF Smoke Detector for the SB550 Station
Smoke Detector - battery-powered , detection reach 500 m, 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, requires a central hub, app language options: Czech and English , compatible with Android and iOS
BLACK FRIDAY -13 % 689,- 799,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: XSEN26002
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X-Sense XS01 Standalone Smoke Detector
Smoke Detector - battery-powered , detection reach 200 m, 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
BLACK FRIDAY -13 % 389,- 449,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: XSEN26001
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Shelly Presence Sensor Gen4, Black
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion compatible with Manufacturer app, application in English, Czech and Slovak, power supply: Power plug,
BLACK FRIDAY -10 % 1,710,- 1,901,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Shell26039
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KIDDE Combination smoke detector KIDDE-K10SCO
Smoke Detector - detects CO (carbon monoxide), measurement range from 0 ppm, battery-powered , acoustic signals, signal volume 85 dB, battery indication, cover material plastic, operating temperature from 0 to 40 °C, operating humidity from 10 to 90 %, standalone unit
  1,289,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: KIDhob008
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SONOFF SenseGuard Motion Gen2 Zigbee Motion Sensor SNZB-03PR2
Motion Sesnor , open system with detection motion compatible with Samsung SmartThings, eWeLink and Home Assistant, range: security, power supply: Battery-Powered,
BLACK FRIDAY -16 % 459,- 549,-
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In stock
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Order Code: SNF2631
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X-Sense XH02-M RF Temperature Sensor for SB550 Station
Temperature Sensor
BLACK FRIDAY -13 % 689,- 799,-
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In stock
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Order Code: XSEN26010
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frient Intelligent Smoke Alarm
Smoke Detector - battery-powered , detection reach 10 m, reaction time 2 s, acoustic signals, signal volume 85 dB, battery indication, features: test button and temporary shutdown, cover material plastic, operating temperature from 0 to 50 °C, operating humidity from 10 to 95 %, ingress protection IP20, holder and battery included, compatible with Google Home, Samsung SmartThings, Home Assistant and Homey, requires a central hub, app language options: Czech and English , compatible with Android, Windows and iOS
  1,559,-
Buy
In stock 4 pcs at the supplier's
Order Code: WSaaa7128
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SONOFF SenseGuard Presence Core 24GHz Zigbee Human Presence Sensor
Motion Sesnor , connect through Radio frequency, open system with detection motion and Human presence compatible with eWeLink, range: security, power supply: USB,
BLACK FRIDAY -15 % 589,- 699,-
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In stock
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Order Code: SNF2629
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MOES Vibration Sensor, Zigbee
Vibration Detector - detects vibration gas, battery-powered, range: 30 m, compatible with Tuya and Smartlife, connect via WiFi 5 GHz, battery indication and adjustable sensitivity, central unit required to function, app with English language support for Android and iOS
BLACK FRIDAY -34 % 299,- 459,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Moes2504
2.5 8×
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Sonoff MS01 Smart Soil Moisture Sensor
Sensor - humidity sensor, waterproof (IP55), compatible with Sonoff TH Origin/Elite sensor, cable 50 cm long, support for voice assistants, operating temperature 0 to 60 °C, humidity measurement 0-99% RH, RJ9 4P4C connector
  439,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: SNFa058
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Solight PIR Sensor Wall-Mounted, Outdoor, Black
Motion Sesnor , closed system with detection motion and Lights, range: lighting, power supply: Power plug,
  299,-
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In stock > 10 pcs at the supplier's
Order Code: SOLpos03
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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,
BLACK FRIDAY -20 % 789,- 990,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: TSL26010
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ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - salt disinfection
Detector - smart water monitor, sensors monitoring the water temperature, water quality analysis, intuitive, low maintenance, Compatible with systems using salt for water treatment
BLACK FRIDAY -14 % 10,890,- 12,799,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: ONDa26003
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Xtend Home EZS-PIRP30
Motion Sesnor , connect through Radio frequency with detection motion compatible with Tuya, range: security, application in English, Czech and Slovak, power supply: Battery-Powered,
  299,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: Xtend25010
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ONDILO ICO Spa V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
Detector - smart water monitor, for monitoring the water quality in the hot tub, compatible with chlorine and bromine sanitizers, intuitive, low maintenance
BLACK FRIDAY -15 % 9,990,- 11,799,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: ONDa26002
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EMOS PIR sensor (motion sensor), IP65, 2000 W, black
Motion Sesnor , closed system with detection motion, range: lighting, power supply: Power plug,
  399,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: EMOS26175
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iGET SECURITY MP1 - Wireless Motion PIR Sensor for M6-4G Alarm, without animal detection up to 35kg
Motion Sesnor , connect through Radio frequency, closed system with detection motion compatible with Manufacturer app, range: security, application in English, Czech, Slovak, Hungarian and In Polish, power supply: Battery-Powered,
  599,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: IGET26004
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Solight PIR Sensor for an E27 Bulb
Motion Sesnor , closed system with detection motion and Lights, range: lighting, power supply: Power plug,
Great price 229,-
Buy
In stock > 10 pcs at the supplier's
Order Code: SOLpos01
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Honeywell XS100-CSSK-A, Smart X-Series Smoke Detector (Optical), Alarm Scan App, Battery-Powered
Smoke Detector - battery-powered , acoustic signals, signal volume 85 dB, cover material plastic, standalone unit
  949,-
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HM040a4
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In the category Detectors on Alza.cz, we currently have a total of 416 products, which you can easily buy online and get quickly delivered. See all of your purchases and make orders on our easy-to-use app.
Check out products sorted by price starting with the lowest price in the category cheap detectors Find products sorted from the most expensive to the cheapest in the category most expensive detectors Check out products sorted by price starting with the highest price in the category best sellers, best detectors You’ll find products sorted by reviews starting from the highest ranked in detectors reviews