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Smart Home Sensors & Detectors


SmartHome detectors and sensors are designed both for connection to central units and for stand-alone use without them. These are, for example, motion sensors, smoke, gas or CO detectors or anti-flood detectors. All the sensors work with smartphones, so you always have a full overview of what's going on in your home.

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Installing a SmartHome system is easy

The installation of various detectors and sensors is user-friendly and does not require any construction modifications or complicated wiring, as these expansion modules communicate wirelessly.

Pay attention to compatibility

When choosing expansion modules, it is important to focus on the communication protocol.

  • Some accessories require a connection to the central unit. The purchased module must be built on the same communication protocol as this unit, such as ZigBee or Z-Wave. Otherwise, the two devices will not communicate.
  • Other devices work independently, for example via Bluetooth or Apple HomeKit. They can be controlled via the manufacturer's app and don't require a central unit to work.

SmartHome detectors and sensors have many uses

There are a number of detectors and sensors on the market, so we sort them into groups for better clarity.

  • Motion detectors
  • Motion detectors for windows or doors
  • Smoke, gas or carbon monoxide detectors
  • Vibration detectors
  • Flood detectors
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565 Results
4.0
Honeywell Home R200H-N2 Interconnected fire alarm detector - temperature principle, battery operated
Temperature Sensor - interconnected fire detector, battery powered
799,-
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HNW22_03
4.7 12×
Homematic IP Valve Adapter Danfoss
Module - 3 pieces of adapters for Danfoss valves (RA, RAV, RAVL) for connection of Thermostatic Heads (HmIP-eTRV-x) and Valve Actuator (HmIP-VDMOT) Homematic IP with standard M30 x 1,5 mm fitting.
235,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home22_12
5.0
Somfy Indoor siren
Siren - open system, area of use: security, compatible with Manufacturer app, power supply: Battery-Powered
3,689,-
Buy
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SOMA06
4.5
Somfy IntelliTAG sensor
Door and Window Sensor -, compatible with Manufacturer app, connect via Radio frequency, range of 200m, separately functional unit, supported OS: Android and iOS
1,429,-
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SOMA04
3.7
Meross Smart Water Leak Sensor Kit
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
Discounted -25 % 449,- 599,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer24_13
3.8
iGET SECURITY P4v2 - wireless magnetic door/window detector for iGET SECURITY M3B and M2B
Door and Window Sensor -, compatible with iGet Home, connect via Radio frequency, range of 70m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
299,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21011
4.7 11×
Elektrobock CN15
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
259,-
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK036
4.6
iGET SECURITY P17 - wireless PIR motion detector without animal detection for iGET SECURITY M3B and
Motion Sesnor , connect through Radio frequency with detection motion, range: security, power supply: Battery-Powered,
Discounted -10 % 449,- 499,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NU111
3.9
iGET SECURITY P8 - magnetic wire door/window detector for iGET SECURITY M3B and M2B
Motion Sesnor , connect through Radio frequency, open system with detection Opening windows and doors, range: security, power supply: Power plug,
199,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NU105p
3.7
Meross Smart Presence Sensor (Thread)
Sensor - mmWave occupancy sensor with micro motion detection, Matter over Thread, Local control without Wi-Fi, range up to 6 m, multi-zone detection, 360° swivel bracket, IP67, CR123A battery up to 3 years
Discounted -15 % 764,- 899,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer2601
Discounted -29 % 189,- 269,-
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SNFa109
4.5 11×
iGET HOME XP1B - wireless PIR motion sensor for iGET HOME X1 and X5 alarm
Motion Sesnor with detection motion, range: security, power supply: Battery-Powered,
259,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGET23_013
3.5
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 > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_12
5.0
Smartlife Zigbee Smart Water Leak Detector
Water Leak Detector - detects water gas, battery-powered, range: 30 m, sound level: 70dB, compatible with Google Home, Tuya and IFTTT, battery indication, central unit required to function,, app with Czech language support for Android, Windows and iOS
Discounted -15 % 509,- 599,-
Buy
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: HOMEaaa0098
5.0
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,
459,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: NOUSmh006
4.2
iQtech SmartLife TH01 Wi-Fi Temperature and Humidity Sensor with Display
Sensor iQtech® SmartLife TH01 Wi-Fi Temperature and Humidity Sensor with Display
799,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iQtech23_02
4.8 12×
Homematic IP Valve Adapter Oventrop
Module - Adapter for Oventrop valves for connection of Thermostatic Heads (HmIP-eTRV-x) and Valve Drive (HmIP-VDMOT) Homematic IP with standard M30 x 1,5 mm fitting
185,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Home22_10
4.0
iGET SECURITY EP9 - wireless water sensor for iGET M5-4G alarm
Detector water detection sensor for iGET SECURITY M5 alarm. It is used for water detection in bathrooms, technical rooms, tanks, etc., wherever there is a risk of water flooding. As soon as the detection plate detects water, the transmitter informs the alarm. Protection against sabotage, highest transmission security 256bit, very long battery life of 5 years, the alarm constantly monitors the activity of this sensor, also a signal, battery percentage and more.
499,-
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21017
3.4
EVOLVEO WiFi DOOR, smart window/door detector
Door and Window Sensor - wireless, compatible with Smartlife, connect via WiFi 2,4 GHz, battery indication, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
199,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO23_020
5.0
Tedee Door Sensor, white
Sensor - real-time door status detection, door status display in tedee app, long-open door alert, wireless operation, Bluetooth
1,349,-
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Tedee25005
4.0
Meross Smart Door and Window Sensor Kit
Door and Window Sensor - with mains + battery power, compatible with Apple Home, Samsung SmartThings and Manufacturer app, connect via WiFi 2,4 GHz, range of 100m, central unit required, supported OS: Android and iOS, application in English
599,-
Buy
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Mer24_11
189,-
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_14
5.0
EVOLVEO Alarmex Pro (ACSALMMST) wireless door/window detector
Door and Window Sensor - wireless, compatible with Manufacturer app, connect via WiFi 2,4 GHz, GSM and Radio frequency, range of 100m, central unit required, supported OS: Android and iOS, application in Czech, application in Czech and English
389,-
Buy
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: EVO22_09
4.6 12×
Elektrobock CN-V04
Motion Sesnor , closed system with detection motion, range: lighting and electrical installation, power supply: Power plug,
269,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK071
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In the category Smart Home Sensors & Detectors on Alza.cz, we currently have a total of 565 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.
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