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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.

416 Results
4.6 7×
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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,
-8 % off new 549,- New 599,-
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Unsealed - in stock 1 pcs
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Order Code: IMXX2333
4.7 6×
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Meross Smart Presence Sensor
Sensor - dual detection technology, accurate presence detection even without motion, range up to 12 m, intelligent lighting automation, minimising false alarms, HomeKit compatibility, Alexa, Google Home and Matter, stable and secure connection, continuous cable power supply, adjustable base, protective shield against pet detection, mounting bracket included
-4 % off new 959,- New 999,-
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Unsealed - in stock 1 pcs
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Order Code: Mer2415
4.4 8×
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MOES Gas Leakage Detector, Zigbee
Gas Leak Detector - detects natural gas, mains power supply, acoustic signals, notifications via push notifications, signal volume 70 dB, battery indication, features alarm, cover material plastic, operating temperature from -10 to 55 °C, operating humidity up to 95 %, mounting kit included, compatible with Tuya and MOES, requires a central hub, app language options: Czech and English , compatible with Android and iOS
-4 % off new 669,- New 699,-
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Unsealed - in stock 1 pcs
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Order Code: Moes22_41
4.2 13×
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Airthings Wave mini - air quality, humidity, temperature and air chemicals sensor
Air Quality Meter - detects temperature, humidity, TVOC (volatile organic compounds), temperature measurement with accuracy 1 °C, humidity measurement with accuracy 3 %, battery-powered, visual signals, notifications via push notifications, battery indication, operating temperature from 4 to 40 °C, holder and battery included, standalone unit requires a central hub, app language: English, compatible with Android and iOS
-1 % off new 2,029,- New 2,052,-
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Unsealed - in stock 2 pcs
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Order Code: Air21TNG1
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
-36 % off new 1,259,- New 1,989,-
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Unsealed - in stock 2 pcs
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Order Code: RY203f
4.3 9×
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iGET SECURITY P1v2 - wireless PIR motion detector
Motion Sesnor accessories for iGET SECURITY M3B and M2B alarm system - Wireless PIR motion detector for monitoring movement in the room
-27 % off new 289,- New 399,-
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Unsealed - in stock 1 pcs
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Order Code: iGt21010
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,
-9 % off new 559,- New 619,-
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Unsealed - in stock 1 pcs
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Order Code: EZVIZ23_01
4.3 7×
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Airthings View Radon - Air Quality Monitor
Air Quality Meter is designed for indoor environments where it monitors humidity, temperature and the amount of radon in the air. You use batteries or a USB cable to power it. Easily connect the air detector to the app via Wi-Fi or HUB using Airthings Smartlink. The app is compatible with both Android and iOS operating systems. Airthings View Radon also communicates with IFTTT, Google Assistant and Amazon Alexa voice assistants.
-3 % off new 4,749,- New 4,899,-
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Unsealed - in stock 1 pcs
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Order Code: Air22TNG3
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
-10 % off new 269,- New 299,-
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Unsealed - in stock 1 pcs
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Order Code: GoSnd32
4.3 4×
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Smoot Air Leak Pro
Water Leak Detector - detects water gas, battery-powered, compatible with Apple Siri shortcuts and Tuya, connect via WiFi 2,4 GHz, battery indication, standalone functional unit,, app with Czech language support for Android and iOS
-8 % off new 409,- New 449,-
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Unsealed - in stock 1 pcs
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Order Code: HLDdh19
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
-50 % off new 149,- New 299,-
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Unsealed - in stock 1 pcs
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Order Code: RY202f
5.0 1×
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AQARA Spatial Multi-Sensor FP400 Kit (PS-S05D), Zigbee, Thread
Motion Sesnor , connect through Bluetooth and Radio frequency, open system with detection motion, Lights and Human presence compatible with Apple Home, Google Home, Samsung SmartThings, Aqara Home and Home Assistant, range: lighting, security and home control, application in English, Czech and Slovak, power supply: Power plug and USB,
-7 % off new 1,569,- New 1,699,-
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Unsealed - in stock 1 pcs
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Order Code: Aqara26012
5.0 1×
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MOES Human Presence Sensor + Light Sensor, Zigbee
Motion Sesnor , open system with detection motion, range: security, power supply: USB,
  399,-
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Unsealed - in stock 1 pcs
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Order Code: Moes2505
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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Unsealed - in stock 1 pcs
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Order Code: EMOS26179
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,
-12 % off new 349,- New 399,-
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Unsealed - in stock 1 pcs
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Order Code: XI300l04
4.0 2×
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Meross Smart Water Leak Sensor
Water Leak Detector - detects Water gas, battery-powered, sound level: 100dB, compatible with Apple Home, Google Home, Samsung SmartThings and Manufacturer app, connection via radio waves, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
-10 % off new 269,- New 299,-
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Unsealed - in stock 1 pcs
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Order Code: Mer2520
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
-8 % off new 669,- New 729,-
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Unsealed - in stock 1 pcs
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Order Code: Mer24_13
3.6 3×
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Somfy Smoke Detector One+
Smoke Detector - battery-powered , detection reach 200 m, notifications via SMS, email, push notifications, signal volume 85 dB, compatible with TaHoma, requires a central hub, app language: Czech
-23 % off new 1,519,- New 1,989,-
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As good as new - in stock 1 pcs
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Order Code: SOM2116
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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,
-10 % off new 409,- New 459,-
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Unsealed - in stock 2 pcs
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Order Code: SNF2631
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BOT Smart Water Leak Sensor Zigbee ZWL2
Water Leak Detector - detects Water gas, battery-powered, range: 90 m, sound level: 90dB, compatible with Tuya, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
-9 % off new 309,- New 341,-
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Unsealed - in stock 1 pcs
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Order Code: BOTsen005
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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
  899,-
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Unsealed - in stock 1 pcs
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Order Code: SAFEH26009
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SAFE Motion Cam (PhOD), white
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 movement of animals in the guarded area up to a weight of 18 kg and a height of 50 cm, Battery life for up to 4 years, Colour white
-18 % off new 2,409,- New 2,969,-
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Unsealed - in stock 1 pcs
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Order Code: SAFEH26001
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Philips Motion Sensor with Batteries
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: Battery-Powered,
-7 % off new 399,- New 433,-
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Unsealed - in stock 1 pcs
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Info
Order Code: PHLS26084
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SAFE Fire Guard, white
Sensor - wireless fire detector with groundbreaking dual-spectrum detection and SIC technology, It can operate in a SAFE system or completely autonomously. Battery powered for up to 36 months, The detector has high sensitivity, stable performance and maximum resistance to false alarms, colour white
-12 % off new 1,099,- New 1,250,-
Buy
Unsealed - in stock 1 pcs
Order Code: SAFEH26004
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