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
4.0 1×
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EMOS PIR sensor (motion sensor) IP20, 1200 W, 360°, built-in
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  289,-
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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: EMOS26063
4.0 18×
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Gosund Intelligent Water Leak Sensor, Zigbee
Water Leak Detector - detects Water gas, battery-powered, compatible with Tuya and Manufacturer app, central unit required to function,, app with Czech language support, app with Czech and English language support for Android
  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: GoSnd32
4.5 6×
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Niceboy ION ORBIS Water Sensor
Water Leak Detector - detects Water gas,, compatible with Niceboy ION, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
BLACK FRIDAY -25 % 374,- 499,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: NCB23_008
4.5 6×
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EVOLVEO wireless outdoor siren for Alarmex / Sonix
Siren - closed system, area of use: security, power supply: Power plug
  1,989,-
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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: RY203f
5.0 4×
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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
  1,299,-
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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: Anker24014
3.9 10×
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Niceboy ION ORBIS Motion Sensor
Motion Sesnor , open system with detection motion compatible with Niceboy ION, range: home control, application in English, Czech and Slovak,
BLACK FRIDAY -25 % 374,- 499,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: NCB23_006
4.7 7×
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Nous E2 Zigbee Smart PIR motion sensor
Motion Sesnor , open system with detection motion compatible with Tuya and Manufacturer app, range: lighting and security, application in English and Slovak, power supply: Battery-Powered,
Discounted -13 % 399,- 459,-
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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: NOUSmh006
4.0 3×
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EVOLVEO Alarmex Pro (ACSALMPIR) wireless PIR motion sensor
Motion Sesnor , connect through GSM, closed system with detection motion, range: security, power supply: Battery-Powered,
  579,-
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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: EVO22_12
3.7 8×
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Meross Smart Water Leak Sensor Kit
Water Leak Detector - detects Water gas, mains and battery power, sound level: 60dB, compatible with Apple Home, Samsung SmartThings and Manufacturer app, connect via WiFi 2,4 GHz, central unit required to function, app with English language support for Android and iOS
  729,-
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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: Mer24_13
5.0 1×
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Homematic IP Smoke detector HmIP-SWSD-2
Smoke Detector - battery-powered , detection reach 40 m, acoustic, visual signals, signal volume 85 dB, battery indication, features: test button, cover material plastic, operating temperature from 5 to 30 °C, ingress protection IP20, input voltage 3V, mounting kit included, requires a central hub, app language options: Czech and English , compatible with Android and iOS
  1,569,-
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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: Home25001
5.0 3×
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Elektrobock CN16F
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
  279,-
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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: ELBOCK144
4.5 10×
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SwitchBot Motion Sensor
Motion Sesnor , connect through WiFi 2,4 GHz, open system with detection motion, range: security, power supply: Battery-Powered,
BLACK FRIDAY -17 % 329,- 399,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: SwBot21_12
4.0 4×
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SAFEHOME Test spray for SAFE400 detectors
Accessory Kit - Spray, Operational test of the sensor and equipment, tests all CO detectors according to BS / CSN / EN 50291 and UL 2034 and all tobacco smoke detectors, Freon-free, contains a calibrated test gas, pack for 10 complete tests
  390,-
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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: SAFEH151
3.7 8×
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Meross Smart Water Leak Sensor
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 dB alarm, Meross Hub central unit is required for sensor functionality
  599,-
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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: Mer24_14
3.5 2×
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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
  939,-
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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: HM040a6
5.0 1×
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GARNI 204 OneCare
Air Quality Meter - detects temperature, humidity, dust particles, temperature measurement from -40 to 70 °C, humidity measurement from 1 to 99 %, mains + battery-powered, detection reach 100 m, acoustic, visual signals, battery indication and display, features: hours and alarm clock, power adapter and battery included, standalone unit
  2,849,-
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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: GARNI19014
5.0 1×
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EMOS PIR sensor (motion sensor), IP20, 1200 W, white
Motion Sesnor , closed system with detection motion, range: lighting, power supply: Power plug,
  339,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EMOS26179
3.5 6×
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iQtech SmartLife WL02, Wi-Fi flood sensor
Water Leak Detector - detects Water gas, battery-powered, compatible with Tuya and Manufacturer app, connect via WiFi 2,4 GHz, standalone functional unit,, app with Czech language support, app with Czech and English language support for Android and iOS
  698,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iQTECH19085
3.8 5×
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Xiaomi Mi Motion Sensor 2S
Motion Sesnor , connect through Bluetooth, closed system with detection motion and Lights compatible with Xiaomi Home, range: lighting, security and home control, power supply: Battery-Powered,
  399,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: XI300l04
5.0 1×
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Somfy Indoor siren
Siren - open system, area of use: security, compatible with Manufacturer app, power supply: Battery-Powered
  3,689,-
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SOMA06
4.7 3×
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EZVIZ T3C smart button
Smart Wireless Switch - compatible with EZVIZ, control via app on Android and iOS,connect via , application in Czech and English
  469,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EZVIZ23_03
3.6 6×
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EVOLVEO WiFi EYE, smart magnetic PIR motion sensor
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Tuya, range: security, application in English, Czech, German, Slovak and Hungarian, power supply: Battery-Powered,
  242,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO23_021
4.8 4×
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EZVIZ T1C PIR
Motion Sesnor , closed system with detection motion compatible with Google Home and EZVIZ, range: security, application in English, Czech, German and Hungarian, power supply: Battery-Powered,
  619,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EZVIZ23_01
5.0 6×
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WOOX Smart Water Leak Sensor R7050
Water Leak Detector - detects Water gas,, compatible with Tuya, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
  349,-
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Woox22_18
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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