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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
4.4 28×
Gosund Smart Window/Door Sensor, Zigbee
Door and Window Sensor - wireless, compatible with Tuya, Smartlife and Manufacturer app, connect via WiFi 2,4 GHz, separately functional unit, supported OS: Android and iOS, application in Czech, application in Czech and English
Discounted -20 % 231,- 289,-
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In stock
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: GoSnd31
5.0
Shelly DS18B20
Temperature Sensor - mains power supply, 3 m range, stand-alone unit
219,-
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In stock > 5 pcs
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Order Code: Shell25030
4.9 12×
Solight Wireless motion detector/gong
Detector volume 65 - 80 dB(A), signal range max. 40m without obstacles, operational range of motion detection 0-8m, angle of view 15° vertically, angle of view 100° horizontally, 36 adjustable melodies, 3D rotatable sensor stand, wall mounting holes, power supply 3 x AA alkaline batteries (not included), sensor 3 x AAA alkaline batteries or external USB charger 5V DC (not included)
409,-
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In stock 4 pcs
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Order Code: Solight23_18
4.6
Elektrobock IR22A Classic
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Great price 279,-
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: ELBOCK031
4.5 10×
Elektrobock LX118
Motion Sesnor with detection motion, range: electrical installation, power supply: Power plug,
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: ELBOCK114
4.6 14×
QINGPING Bluetooth Alarm clock (Temperature & RH monitor) - beige
Alarm Clock - Digital, power supply: battery
399,-
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In stock > 10 pcs
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Order Code: QGP003a
3.5
Sonoff PIR3-RF Small 433MHz RF PIR3 Motion Sensor
Sensor - movement, a bridge is necessary to function, the angle of view: 100°, two modes, range: 8 m, connection: radio waves, colour: white
349,-
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In stock 2 pcs
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Order Code: SNF21a054
5.0
Elektrobock CN05C
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
Great price 259,- Save 20,-
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In stock > 5 pcs
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Order Code: ELBOCK142
4.6 11×
MOES Water Leakage Detector, Zigbee
Water Leak Detector - detects water gas, battery-powered, compatible with Tuya and MOES, battery indication, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
399,-
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In stock > 10 pcs
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Order Code: Moes22_36
4.4 12×
SwitchBot Water Leak Detector with Sensor Cable
Sensor - with an extended sensor length of 1 meter, detection of water level thresholds as low as 0.5 mm, loud alarm, notifications to your mobile phone via the SwitchBot app, sensor compatibility with Wi-Fi and Bluetooth, does not require assembly, IP67 waterproof, four types of alarm, works independently - no hub needed, with 2× AAA batteries (included), battery replacement once every 2 years
609,-
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In stock > 5 pcs
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Order Code: SwBot2404
4.4
Honeywell Home R200S-N2 Interconnected fire detector alarm - smoke (optical) principle, battery oper
Smoke Detector - temperature measurement from 0 to 70 °C, battery-powered , acoustic signals, signal volume 85 dB, features: test button, cover material plastic, operating temperature to 40 °C, operating humidity up to 93 %, input voltage 3V, battery included, standalone unit
1,048,-
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In stock > 5 pcs
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Order Code: HNW22_05
4.8 10×
Philips Hue Contact sensor Black
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, black
1,029,-
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In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
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Order Code: PHLS23014
4.6 14×
QINGPING Bluetooth Alarm clock (Temperature & RH monitor) - blue
Alarm Clock - Digital, power supply: battery, features: date
399,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: QGP003c
4.8
Philips Hue Contact sensor Black 2pcs
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, black, 2 pcs
1,799,-
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In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS23016
5.0 12×
Ajax MotionProtect Black
Motion Sesnor , connect through Radio frequency with detection motion compatible with Ajax, range: security, application in English, power supply: Battery-Powered,
2,113,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: AJAX5314
4.6 11×
Elektrobock LX28B
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
379,-
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK040
4.0
RETLUX RSH 309 Smart temperature sensor
Temperature Sensor - moisture detection, temperature measurement from -10 to 50 °C with an accuracy of 0.3 °C, moisture measurement with 3% accuracy, battery power, notification via SMS, push notifications, battery status indication, reset function and automatic scenarios, cover material plastic, operating temperature from -10 to 50 °C, operating humidity from 0 to 95%, input voltage 3 V, battery and mounting kit included, independently functional unit central unit required for functionality, applications in Czech and English, compatible with Android and iOS
409,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: RTLX25041
4.3
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
399,-
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In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: iGt21010
4.6 17×
Elektrobock CN12
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
239,-
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In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK035
4.0
AQARA Vibration Sensor T1 (VB-S01D)
Vibration Detector - detects Opening windows and doors, Fall and vibration gas, battery-powered, reaction time: 1s, compatible with Apple Home and Manufacturer app, battery indication and adjustable sensitivity, central unit required to function,, app with Czech language support, app with Czech and English language support for Android and iOS
509,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Aqara25021
4.6 14×
QINGPING Bluetooth Alarm clock (Temperature & RH monitor) - green
Alarm Clock - Digital, power supply: battery, features: date
399,-
Buy
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: QGP003b
4.2
Elektrobock CN05A
Motion Sesnor with detection motion, range: lighting, power supply: Power plug,
199,-
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In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: ELBOCK140
3.6
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
2,059,-
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In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SOM2116
4.3
Philips Hue Contact sensor White 2pcs
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not included), bridge required for full functionality, colour white, 2 pcs
1,799,-
Buy
In stock 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: PHLS23017
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In the category Smart Home Sensors & Detectors on Alza.cz, we currently have a total of 564 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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